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Lactose intolerance means that you cannot digest foods with lactose in them. Lactose is the sugar found in milk and foods made with milk. After eating foods with lactose in them, you may feel sick to your stomach. You may also have: Your doctor may do a blood, breath or stool test to find out if your problems are du...
What is (are) Lactose Intolerance ?
Lactose intolerance means that you cannot digest foods with lactose in them. Lactose is the sugar found in milk and foods made with milk. After eating foods with lactose in them, you may feel sick to your stomach. You may also have - Gas - Diarrhea - Swelling in your stomach Your doctor may do a...
Noroviruses are a group of related viruses. Infection with these viruses causes an illness called gastroenteritis, an inflammation of the stomach and intestines. It can spread from person to person, or through contaminated food or water. You can also get it if you touch a contaminated surface. Norovirus can be ser...
What is (are) Norovirus Infections ?
Noroviruses are a group of related viruses. Infection with these viruses causes an illness called gastroenteritis, an inflammation of the stomach and intestines. It can spread from person to person, or through contaminated food or water. You can also get it if you touch a contaminated surface. Norovirus can be serious,...
Pneumonia is an infection in one or both of the lungs. It causes the air sacs of the lungs to fill up with fluid or pus. It can range from mild to severe, depending on the type of germ causing the infection, your age, and your overall health. Bacterial, viral, and fungal infections can cause pneumonia. Bacteria are ...
What is (are) Pneumonia ?
Pneumonia is an infection in one or both of the lungs. Many germs, such as bacteria, viruses, and fungi, can cause pneumonia. You can also get pneumonia by inhaling a liquid or chemical. People most at risk are older than 65 or younger than 2 years of age, or already have health problems. Symptoms of pneumonia vary ...
Many factors affect your health. Some you cannot control, such as your genetic makeup or your age. But you can make changes to your lifestyle. By taking steps toward healthy living, you can help reduce your risk of heart disease, cancer, stroke and other serious diseases: Agency for Healthcare Research and Quality
Do you have information about Healthy Living
Summary : Many factors affect your health. Some you cannot control, such as your genetic makeup or your age. But you can make changes to your lifestyle. By taking steps toward healthy living, you can help reduce your risk of heart disease, cancer, stroke and other serious diseases: - Get the screening tests you n...
What kind of medical care would you want if you were too ill or hurt to express your wishes? Advance directives are legal documents that allow you to spell out your decisions about end-of-life care ahead of time. They give you a way to tell your wishes to family, friends, and health care professionals and to avoid c...
Do you have information about Advance Directives
Summary : What kind of medical care would you want if you were too ill or hurt to express your wishes? Advance directives are legal documents that allow you to spell out your decisions about end-of-life care ahead of time. They give you a way to tell your wishes to family, friends, and health care professionals and to ...
If you have diabetes, your blood glucose, or blood sugar, levels are too high. Glucose comes from foods you eat. The cells of your body need glucose for energy. A hormone called insulin helps the glucose get into your cells. With type 1 diabetes, your body doesn't make insulin. With type 2 diabetes, your body doesn'...
Do you have information about Diabetic Diet
Summary : If you have diabetes, your body cannot make or properly use insulin. This leads to high blood glucose, or blood sugar, levels. Healthy eating helps keep your blood sugar in your target range. It is a critical part of managing your diabetes, because controlling your blood sugar can prevent the complications of...
Tobacco use is the most common preventable cause of death. About half of the people who don't quit smoking will die of smoking-related problems. Quitting smoking is important for your health. Soon after you quit, your circulation begins to improve, and your blood pressure starts to return to normal. Your sense of sm...
Do you have information about Quitting Smoking
Summary : Tobacco use is the most common preventable cause of death. About half of the people who don't quit smoking will die of smoking-related problems. Quitting smoking is important for your health. Soon after you quit, your circulation begins to improve, and your blood pressure starts to return to normal. Your s...
Folic acid is a B vitamin. It helps the body make healthy new cells. Everyone needs folic acid. For women who may get pregnant, it is really important. Getting enough folic acid before and during pregnancy can prevent major birth defects of her baby's brain or spine. Foods with folic acid in them include: If you d...
Do you have information about Folic Acid
Summary : Folic acid is a B vitamin. It helps the body make healthy new cells. Everyone needs folic acid. For women who may get pregnant, it is really important. Getting enough folic acid before and during pregnancy can prevent major birth defects of her baby's brain or spine. Foods with folic acid in them include ...
Primary ovarian insufficiency (POI), also known as premature ovarian failure, happens when a woman's ovaries stop working normally before she is 40. Many women naturally experience reduced fertility when they are about 40 years old. They may start getting irregular menstrual periods as they transition to menopause. ...
What is (are) Premature Ovarian Failure ?
Premature ovarian failure (POF) is when a woman's ovaries stop working before she is 40. POF is different from premature menopause. With premature menopause, your periods stop before age 40. You can no longer get pregnant. The cause can be natural or it can be a disease, surgery, chemotherapy, or radiation. With POF...
Cold sores are caused by a contagious virus called herpes simplex virus (HSV). There are two types of HSV. Type 1 usually causes oral herpes, or cold sores. Type 1 herpes virus infects more than half of the U.S. population by the time they reach their 20s. Type 2 usually affects the genital area. Some people have no...
What is (are) Cold Sores ?
Cold sores are caused by a contagious virus called herpes simplex virus (HSV). There are two types of HSV. Type 1 usually causes oral herpes, or cold sores. Type 1 herpes virus infects more than half of the U.S. population by the time they reach their 20s. Type 2 usually affects the genital area Some people have no...
Vaginal problems are some of the most common reasons women go to the doctor. They may have symptoms such as: One common problem is vaginitis, an inflammation of the vagina. Other problems that affect the vagina include sexually transmitted diseases, vaginal cancer, and vulvar cancer. Treatment of vaginal problems d...
What is (are) Vaginal Diseases ?
Vaginal problems are some of the most common reasons women go to the doctor. They may have symptoms such as - Itching - Burning - Pain - Abnormal bleeding - Discharge Often, the problem is vaginitis, an inflammation of the vagina. The main symptom is smelly vaginal discharge, but some women have...
Encephalitis is an inflammation of the brain. Usually the cause is a viral infection, but bacteria can also cause it. It can be mild or severe. Most cases are mild. You may have flu-like symptoms. With a mild case, you may just need rest, plenty of fluids, and a pain reliever. Severe cases need immediate treatment. ...
What is (are) Encephalitis ?
Encephalitis is an inflammation of the brain. Usually the cause is a viral infection, but bacteria can also cause it. It can be mild or severe. Most cases are mild. You may have flu-like symptoms. With a mild case, you may just need rest, plenty of fluids, and a pain reliever. Severe cases need immediate treatment. ...
Amblyopia, or "lazy eye," is the most common cause of visual impairment in children. It happens when an eye fails to work properly with the brain. The eye may look normal, but the brain favors the other eye. In some cases, it can affect both eyes. Causes include: It can be hard to diagnose amblyopia. It is of...
What is (are) Amblyopia ?
Amblyopia, or "lazy eye," is the most common cause of visual impairment in children. It happens when an eye fails to work properly with the brain. The eye may look normal, but the brain favors the other eye. In some cases, it can affect both eyes. Causes include - Strabismus - a disorder in which the two eyes don...
Athlete's foot is a common infection caused by a fungus. It most often affects the space between the toes. Symptoms include itching, burning, and cracked, scaly skin between your toes. You can get athlete's foot from damp surfaces, such as showers, swimming pools, and locker room floors. To prevent it: Treatments i...
What is (are) Athlete's Foot ?
Athlete's foot is a common infection caused by a fungus. It most often affects the space between the toes. Symptoms include itching, burning, and cracked, scaly skin between your toes. You can get athlete's foot from damp surfaces, such as showers, swimming pools, and locker room floors. To prevent it - Keep y...
Methamphetamine - meth for short - is a very addictive stimulant drug. It is a powder that can be made into a pill or a shiny rock (called a crystal). The powder can be eaten or snorted up the nose. It can also be mixed with liquid and injected into your body with a needle. Crystal meth is smoked in a small glass p...
Do you have information about Methamphetamine
Summary : Methamphetamine - meth for short - is a very addictive stimulant drug. It is a powder that can be made into a pill or a shiny rock (called a crystal). The powder can be eaten or snorted up the nose. It can also be mixed with liquid and injected into your body with a needle. Crystal meth is smoked in a small g...
Going home with a new baby is exciting, but it can be scary, too. Newborns have many needs, like frequent feedings and diaper changes. Babies can have health issues that are different from older children and adults, like diaper rash and cradle cap. Your baby will go through many changes during the first year of lif...
Do you have information about Infant and Newborn Care
Summary : Going home with a new baby is exciting, but it can be scary, too. Newborns have many needs, like frequent feedings and diaper changes. Babies can have health issues that are different from older children and adults, like diaper rash and cradle cap. Your baby will go through many changes during the first y...
Birth control, also known as contraception, is the use of medicines, devices, or surgery to prevent pregnancy. There are many different types. Some are reversable, while others are permanent. Some types can also help prevent sexually transmitted diseases (STDs). There are several different types of birth control, an...
What is (are) Birth Control ?
Birth control, also known as contraception, is designed to prevent pregnancy. Birth control methods may work in a number of different ways: - Preventing sperm from getting to the eggs. Types include condoms, diaphragms, cervical caps, and contraceptive sponges. - Keeping the woman's ovaries from releasing eggs...
Pulmonary hypertension (PH) is high blood pressure in the arteries to your lungs. It is a serious condition. If you have it, the blood vessels that carry blood from your heart to your lungs become hard and narrow. Your heart has to work harder to pump the blood through. Over time, your heart weakens and cannot do it...
What is (are) Pulmonary Hypertension ?
Pulmonary hypertension (PH) is high blood pressure in the arteries to your lungs. It is a serious condition. If you have it, the blood vessels that carry blood from your heart to your lungs become hard and narrow. Your heart has to work harder to pump the blood through. Over time, your heart weakens and cannot do its j...
A mastectomy is surgery to remove a breast or part of a breast. It is usually done to treat breast cancer. Types of breast surgery include: Which surgery you have depends on the stage of cancer, size of the tumor, size of the breast, and whether the lymph nodes are involved. Many women have breast reconstruction to...
Do you have information about Mastectomy
Summary : A mastectomy is surgery to remove a breast or part of a breast. It is usually done to treat breast cancer. Types of breast surgery include - Total (simple) mastectomy - removal of breast tissue and nipple - Modified radical mastectomy - removal of the breast, most of the lymph nodes under the arm, an...
Although breast cancer is much more common in women, men can get it too. It happens most often to men between the ages of 60 and 70. Breast lumps usually aren't cancer. However, most men with breast cancer have lumps. Other breast symptoms can include: Risk factors for male breast cancer include exposure to radiatio...
What is (are) Male Breast Cancer ?
Although breast cancer is much more common in women, men can get it too. It happens most often to men between the ages of 60 and 70. Breast lumps usually aren't cancer. However, most men with breast cancer have lumps. Other breast symptoms can include - Dimpled or puckered skin - A red, scaly nipple or skin...
Impaired driving is dangerous. It's the cause of more than half of all car crashes. It means operating a motor vehicle while you are affected by: For your safety and the safety of others, do not drive while impaired. Have someone else drive you or take public transportation when you cannot drive. If you need to ta...
Do you have information about Impaired Driving
Summary : Impaired driving is dangerous. It's the cause of more than half of all car crashes. It means operating a motor vehicle while you are affected by - Alcohol - Legal or illegal drugs - Sleepiness - Distractions, such as using a cell phone or texting - Having a medical condition which affects yo...
Leukemia is a term for cancers of the blood cells. Leukemia starts in blood-forming tissues such as the bone marrow. Your bone marrow makes the cells which will develop into white blood cells, red blood cells, and platelets. Each type of cell has a different job: When you have leukemia, your bone marrow makes large ...
What is (are) Leukemia ?
Leukemia is cancer of the white blood cells. White blood cells help your body fight infection. Your blood cells form in your bone marrow. In leukemia, the bone marrow produces abnormal white blood cells. These cells crowd out the healthy blood cells, making it hard for blood to do its work. There are different types...
Complex regional pain syndrome (CRPS) is a chronic pain condition. It causes intense pain, usually in the arms, hands, legs, or feet. It may happen after an injury, either to a nerve or to tissue in the affected area. Rest and time may only make it worse. Symptoms in the affected area are: The cause of CRPS is unknown....
What is (are) Complex Regional Pain Syndrome ?
Complex regional pain syndrome (CRPS) is a chronic pain condition. It causes intense pain, usually in the arms, hands, legs, or feet. It may happen after an injury, either to a nerve or to tissue in the affected area. Rest and time may only make it worse. Symptoms in the affected area are - Dramatic changes in...
Dislocations are joint injuries that force the ends of your bones out of position. The cause is often a fall or a blow, sometimes from playing a contact sport. You can dislocate your ankles, knees, shoulders, hips, elbows and jaw. You can also dislocate your finger and toe joints. Dislocated joints often are swollen...
What is (are) Dislocations ?
Dislocations are joint injuries that force the ends of your bones out of position. The cause is often a fall or a blow, sometimes from playing a contact sport. You can dislocate your ankles, knees, shoulders, hips, elbows and jaw. You can also dislocate your finger and toe joints. Dislocated joints often are swollen, v...
Pneumococci are a type of streptococcus bacteria. The bacteria spread through contact with people who are ill or by healthy people who carry the bacteria in the back of their nose. Pneumococcal infections can be mild or severe. The most common types of infections are: How the diagnosis is made depends upon where the...
What is (are) Pneumococcal Infections ?
Pneumococci are a type of streptococcus bacteria. The bacteria spread through contact with people who are ill or by healthy people who carry the bacteria in the back of their nose. Pneumococcal infections can be mild or severe. The most common types of infections are - Ear infections - Sinus infections - Pn...
Granulomatosis with polyangiitis (GPA), previously known as Wegener's granulomatosis, is a rare disease. It is a type of vasculitis, or inflammation of the blood vessels. The inflammation limits the flow of blood to important organs, causing damage. It can affect any organ, but it mainly affects the sinuses, nose, trac...
What is (are) Granulomatosis with Polyangiitis ?
Granulomatosis with polyangiitis (GPA), previously known as Wegener's granulomatosis, is a rare disease. It is a type of vasculitis, or inflammation of the blood vessels. The inflammation limits the flow of blood to important organs, causing damage. It can affect any organ, but it mainly affects the sinuses, nose, trac...
Stress is how your brain and body respond to a challenge or demand. When you are stressed, your body releases chemicals called hormones. The hormones make you alert and ready to act. They can raise your blood pressure, heart rate, and blood sugar levels. This response is sometimes called a "fight or flight" response...
What is (are) Stress ?
Everyone feels stressed from time to time. Not all stress is bad. All animals have a stress response, and it can be life-saving. But chronic stress can cause both physical and mental harm. There are at least three different types of stress: - Routine stress related to the pressures of work, family, and other d...
A urinalysis is a test of your urine. It is often done to check for a urinary tract infections, kidney problems, or diabetes. You may also have one during a checkup, if you are admitted to the hospital, before you have surgery, or if you are pregnant. It can also monitor some medical conditions and treatments. A ur...
Do you have information about Urinalysis
Summary : A urinalysis is a test of your urine. It is often done to check for a urinary tract infections, kidney problems, or diabetes. You may also have one during a checkup, if you are admitted to the hospital, before you have surgery, or if you are pregnant. It can also monitor some medical conditions and treatments...
Leukodystrophies are a group of rare genetic disorders that affect the central nervous system (CNS). The CNS is made up of your brain and spinal cord. Leukodystrophies damage the white matter of your CNS. The white matter includes: When the white matter is damaged, it can slow down or block the signals between nerv...
What is (are) Leukodystrophies ?
The leukodystrophies are rare diseases that affect the cells of the brain. Specifically, the diseases affect the myelin sheath, the material that surrounds and protects nerve cells. Damage to this sheath slows down or blocks messages between the brain and the rest of the body. This leads to problems with - Movem...
Your elbow joint is made up of bone, cartilage, ligaments and fluid. Muscles and tendons help the elbow joint move. When any of these structures is hurt or diseased, you have elbow problems. Many things can make your elbow hurt. A common cause is tendinitis, an inflammation or injury to the tendons that attach musc...
What is (are) Elbow Injuries and Disorders ?
Your elbow joint is made up of bone, cartilage, ligaments and fluid. Muscles and tendons help the elbow joint move. When any of these structures is hurt or diseased, you have elbow problems. Many things can make your elbow hurt. A common cause is tendinitis, an inflammation or injury to the tendons that attach musc...
Each year almost 800,000 Americans have a heart attack. A heart attack happens when blood flow to the heart suddenly becomes blocked. Without the blood coming in, the heart can't get oxygen. If not treated quickly, the heart muscle begins to die. But if you do get quick treatment, you may be able to prevent or limit...
What is (are) Heart Attack ?
Each year over a million people in the U.S. have a heart attack. About half of them die. Many people have permanent heart damage or die because they don't get help immediately. It's important to know the symptoms of a heart attack and call 9-1-1 if someone is having them. Those symptoms include - Chest discomfort...
Psychotic disorders are severe mental disorders that cause abnormal thinking and perceptions. People with psychoses lose touch with reality. Two of the main symptoms are delusions and hallucinations. Delusions are false beliefs, such as thinking that someone is plotting against you or that the TV is sending you secr...
What is (are) Psychotic Disorders ?
Psychotic disorders are severe mental disorders that cause abnormal thinking and perceptions. People with psychoses lose touch with reality. Two of the main symptoms are delusions and hallucinations. Delusions are false beliefs, such as thinking that someone is plotting against you or that the TV is sending you secret ...
Meningococci are a type of bacteria that cause serious infections. The most common infection is meningitis, which is an inflammation of the thin tissue that surrounds the brain and spinal cord. Meningococci can also cause other problems, including a serious bloodstream infection called sepsis. Meningococcal infectio...
What is (are) Meningococcal Infections ?
Meningococci are a type of bacteria that cause serious infections. The most common infection is meningitis, which is an inflammation of the thin tissue that surrounds the brain and spinal cord. Meningococci can also cause other problems, including a serious bloodstream infection called sepsis. Meningococcal infectio...
Depression is a serious medical illness. It's more than just a feeling of being sad or "blue" for a few days. If you are one of the more than 19 million teens and adults in the United States who have depression, the feelings do not go away. They persist and interfere with your everyday life. Symptoms can include: De...
What is (are) Depression ?
Depression is a serious medical illness. It's more than just a feeling of being sad or "blue" for a few days. If you are one of the more than 19 million teens and adults in the United States who have depression, the feelings do not go away. They persist and interfere with your everyday life. Symptoms can include ...
Our environment affects our health. If parts of the environment, like the air, water, or soil become polluted, it can lead to health problems. For example, asthma pollutants and chemicals in the air or in the home can trigger asthma attacks. Some environmental risks are a part of the natural world, like radon in th...
Do you have information about Environmental Health
Summary : Our environment affects our health. If parts of the environment, like the air, water, or soil become polluted, it can lead to health problems. For example, asthma pollutants and chemicals in the air or in the home can trigger asthma attacks. Some environmental risks are a part of the natural world, like ra...
Child abuse is doing something or failing to do something that results in harm to a child or puts a child at risk of harm. Child abuse can be physical, sexual or emotional. Neglect, or not providing for a child's needs, is also a form of abuse. Most abused children suffer greater emotional than physical damage. A...
What is (are) Child Abuse ?
Child abuse is doing something or failing to do something that results in harm to a child or puts a child at risk of harm. Child abuse can be physical, sexual or emotional. Neglect, or not providing for a child's needs, is also a form of abuse. Most abused children suffer greater emotional than physical damage. An ...
If you are pregnant or planning to get pregnant, it's important to get tested for HIV as soon as possible. If you find out that do have HIV, you can start treatment right away to protect your health and the health of your baby. If you are pregnant and have HIV, there is a risk of passing HIV to your baby. It can hap...
What is (are) HIV/AIDS and Pregnancy ?
If you have HIV/AIDS and find out you are pregnant or think you may be pregnant, you should let your health care provider know as soon as possible. Some HIV/AIDS medicines may harm your baby. Your health care provider may want you to take different medicines or change the doses. It is also possible to give HIV to ...
Your throat is a tube that carries food to your esophagus and air to your windpipe and larynx (also called the voice box). The technical name for the throat is pharynx. You can have a sore throat for many reasons. Often, colds and flu cause sore throats. Other causes can include: Treatment depends on the cause. S...
What is (are) Sore Throat ?
Your throat is a tube that carries food to your esophagus and air to your windpipe and larynx (also called the voice box). The technical name for the throat is pharynx. You can have a sore throat for many reasons. Often, colds and flu cause sore throats. Other causes can include: - Allergies - Mononucleosis...
Each year, around 48 million people in the United States get sick from contaminated food. Common causes include bacteria and viruses. Less often, the cause may be a parasite or a harmful chemical, such as a high amount of pesticides. Symptoms of foodborne illness depend on the cause. They can be mild or serious. The...
What is (are) Foodborne Illness ?
Each year, 48 million people in the U.S. get sick from contaminated food. Common culprits include bacteria, parasites and viruses. Symptoms range from mild to serious. They include - Upset stomach - Abdominal cramps - Nausea and vomiting - Diarrhea - Fever - Dehydration Harmful bacteria...
An acoustic neuroma is a benign tumor that develops on the nerve that connects the ear to the brain. The tumor usually grows slowly. As it grows, it presses against the hearing and balance nerves. At first, you may have no symptoms or mild symptoms. They can include: The tumor can also eventually cause numbness or p...
What is (are) Acoustic Neuroma ?
An acoustic neuroma is a benign tumor that develops on the nerve that connects the ear to the brain. The tumor usually grows slowly. As it grows, it presses against the hearing and balance nerves. At first, you may have no symptoms or mild symptoms. They can include - Loss of hearing on one side - Ringing i...
Lung cancer is cancer that forms in tissues of the lung, usually in the cells that line the air passages. It is the leading cause of cancer death in both men and women. There are two main types: small cell lung cancer and non-small cell lung cancer. These two types grow differently and are treated differently. Non-s...
What is (are) Lung Cancer ?
Lung cancer is one of the most common cancers in the world. It is a leading cause of cancer death in men and women in the United States. Cigarette smoking causes most lung cancers. The more cigarettes you smoke per day and the earlier you started smoking, the greater your risk of lung cancer. High levels of pollution, ...
Spina bifida is a neural tube defect - a type of birth defect of the brain, spine, or spinal cord. It happens if the spinal column of the fetus doesn't close completely during the first month of pregnancy. This can damage the nerves and spinal cord. Screening tests during pregnancy can check for spina bifida. Someti...
What is (are) Spina Bifida ?
Spina bifida is a neural tube defect - a type of birth defect of the brain, spine, or spinal cord. It happens if the spinal column of the fetus doesn't close completely during the first month of pregnancy. This can damage the nerves and spinal cord. Screening tests during pregnancy can check for spina bifida. Sometimes...
A scar is a permanent patch of skin that grows over a wound. It forms when your body heals itself after a cut, scrape, burn, or sore. You can also get scars from surgery that cuts through the skin, infections like chickenpox, or skin conditions like acne. Scars are often thicker, as well as pinker, redder, or shinie...
What is (are) Scars ?
A scar is a permanent patch of skin that grows over a wound. It forms when your body heals itself after a cut, scrape, burn, or sore. You can also get scars from surgery that cuts through the skin, infections like chickenpox, or skin conditions like acne. Scars are often thicker, as well as pinker, redder, or shinier, ...
Members of the LGBTQIA+ community include people who are: On this page you'll find information about health issues that are specific to the LGBTQIA+ community.
What is (are) Gay, Lesbian, Bisexual and Transgender Health ?
Gay, lesbian, bisexual and transgender individuals have special health concerns besides the usual ones that affect most men and women. On this page you'll find information about these specific health issues.
Migraines are a recurring type of headache. They cause moderate to severe pain that is throbbing or pulsing. The pain is often on one side of your head. You may also have other symptoms, such as nausea and weakness. You may be sensitive to light and sound. Researchers believe that migraine has a genetic cause. There...
What is (are) Migraine ?
If you suffer from migraine headaches, you're not alone. About 12 percent of the U.S. population gets them. Migraines are recurring attacks of moderate to severe pain. The pain is throbbing or pulsing, and is often on one side of the head. During migraines, people are very sensitive to light and sound. They may also be...
Anabolic steroids are synthetic (man-made) versions of testosterone. Testosterone is the main sex hormone in men. It is needed to develop and maintain male sex characteristics, such as facial hair, deep voice, and muscle growth. Women do have some testosterone in their bodies, but in much smaller amounts. Health care p...
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Summary : Anabolic steroids are man-made substances related to male sex hormones. Doctors use anabolic steroids to treat some hormone problems in men, delayed puberty, and muscle loss from some diseases. Bodybuilders and athletes often use anabolic steroids to build muscles and improve athletic performance. Using th...
Every racial or ethnic group has specific health concerns. Differences in the health of groups can result from: On this page, you'll find links to health issues that affect Native Hawaiians and Pacific Islanders.
Do you have information about Native Hawaiian and Pacific Islander Health
Summary : Every racial or ethnic group has specific health concerns. Differences in the health of groups can result from: - Genetics - Environmental factors - Access to care - Cultural factors On this page, you'll find links to health issues that affect Native Hawaiians and Pacific Islanders.
Parasites are living things that use other living things - like your body - for food and a place to live. You can get them from contaminated food or water, a bug bite, or sexual contact. Some parasitic diseases are easily treated and some are not. Parasites range in size from tiny, one-celled organisms called protoz...
What is (are) Parasitic Diseases ?
Parasites are living things that use other living things - like your body - for food and a place to live. You can get them from contaminated food or water, a bug bite, or sexual contact. Some parasitic diseases are easily treated and some are not. Parasites range in size from tiny, one-celled organisms called protoz...
Cold weather can affect your body in different ways. You can get frostbite, which is an injury to the body that is caused by freezing. Your body can also lose heat faster than you can produce it. That can cause hypothermia, or abnormally low body temperature. It can make you sleepy, confused, and clumsy. Because it ...
What is (are) Hypothermia ?
Cold weather can affect your body in different ways. You can get frostbite, which is frozen body tissue. Your body can also lose heat faster than you can produce it. The result is hypothermia, or abnormally low body temperature. It can make you sleepy, confused and clumsy. Because it happens gradually and affects your ...
Every day, you have different experiences and you learn new things. Your brain cannot store all of that information, so it has to decide what is worth remembering. Memory is the process of storing and then remembering this information. There are different types of memory. Short-term memory stores information for a f...
What is (are) Memory ?
Your mind works a lot like a computer. Your brain puts information it judges to be important into "files." When you remember something, you pull up a file. Memory doesn't always work perfectly. As people grow older, it may take longer to retrieve those files. Some adults joke about having a "senior moment." It's nor...
Good nutrition is important in keeping people healthy throughout their lives - when they are babies, toddlers, children, adults, and then older adults. It can help people live longer and lower their risk of health problems like heart disease, type 2 diabetes, obesity, and more. Good nutrition is about healthy eating...
Do you have information about Nutrition
Summary : Food provides the energy and nutrients you need to be healthy. Nutrients include proteins, carbohydrates, fats, vitamins, minerals, and water. Healthy eating is not hard. The key is to - Eat a variety of foods, including vegetables, fruits, and whole-grain products - Eat lean meats, poultry, fi...
Your child's health includes physical, mental and social well-being. Most parents know the basics of keeping children healthy, like offering them healthy foods, making sure they get enough sleep and exercise and insuring their safety. It is also important for children to get regular checkups with their health care ...
Do you have information about Children's Page
Summary : Kids, this page is for you. Learn about everything from how the body works to what happens when you go to the hospital. There are quizzes, games and lots of cool web sites for you to explore. Have fun!
Lupus is an autoimmune disease. This means that your immune system attacks healthy cells and tissues by mistake. This can damage many parts of the body, including the joints, skin, kidneys, heart, lungs, blood vessels, and brain. There are several kinds of lupus: The cause of lupus is unknown. Anyone can get lupus, ...
What is (are) Lupus ?
If you have lupus, your immune system attacks healthy cells and tissues by mistake. This can damage your joints, skin, blood vessels and organs. There are many kinds of lupus. The most common type, systemic lupus erythematosus, affects many parts of the body. Discoid lupus causes a rash that doesn't go away. Subacute c...
Gaucher disease is a rare, inherited disorder. It is a type of lipid metabolism disorder. If you have it, you do not have enough of an enzyme called glucocerebrosidase. This causes too much of a fatty substance to build up in your spleen, liver, lungs, bones and, sometimes, your brain. This prevents these organs from ...
What is (are) Gaucher Disease ?
Gaucher disease is a rare, inherited disorder in which you do not have enough of an enzyme called glucocerebrosidase. This causes too much of a fatty substance to build up in your spleen, liver, lungs, bones and, sometimes, your brain. This prevents these organs from working properly. There are three types: - ...
You've probably seen your chart at your doctor's office. In fact, you may have charts at several doctors' offices. If you've been in the hospital, you have a chart there, too. These charts are your medical records. They may be on paper or electronic. To keep track of all this information, it's a good idea to keep y...
Do you have information about Personal Health Records
Summary : You've probably seen your chart at your doctor's office. In fact, you may have charts at several doctors' offices. If you've been in the hospital, you have a chart there, too. These charts are your medical records. They may be on paper or electronic. To keep track of all this information, it's a good idea to ...
Potassium is a mineral that your body needs to work properly. It is a type of electrolyte. It helps your nerves to function and muscles to contract. It helps your heartbeat stay regular. It also helps move nutrients into cells and waste products out of cells. A diet rich in potassium helps to offset some of sodium's...
Do you have information about Potassium
Summary : Potassium is a mineral that the body needs to work normally. It helps nerves and muscles communicate. It also helps move nutrients into cells and waste products out of cells. A diet rich in potassium helps to offset some of sodium's harmful effects on blood pressure. Most people get all the potassium they ...
Aspergillosis is a disease caused by a fungus (or mold) called Aspergillus. The fungus is very common in both indoors and outdoors. Most people breathe in the spores of the fungus every day without being affected. But some people get the disease. It usually occurs in people with lung diseases or weakened immune sys...
What is (are) Aspergillosis ?
Aspergillosis is a disease caused by a fungus (or mold) called Aspergillus. The fungus is very common in both indoors and outdoors. Most people breathe in the spores of the fungus every day without being affected. But some people get the disease. It usually occurs in people with lung diseases or weakened immune systems...
Pinworms are small parasites that can live in the colon and rectum. You get them when you swallow their eggs. The eggs hatch inside your intestines. While you sleep, the female pinworms leave the intestines through the anus and lay eggs on nearby skin. Pinworms spread easily. When people who are infected touch their...
What is (are) Pinworms ?
Pinworms are small parasites that can live in the colon and rectum. You get them when you swallow their eggs. The eggs hatch inside your intestines. While you sleep, the female pinworms leave the intestines through the anus and lay eggs on nearby skin. Pinworms spread easily. When people who are infected touch their...
Rickets causes soft, weak bones in children. It usually occurs when they do not get enough vitamin D, which helps growing bones absorb the minerals calcium and phosphorous. It can also happen when calcium or phosphorus levels are too low. Your child might not get enough vitamin D if he or she: In addition to dietary ri...
What is (are) Rickets ?
Rickets causes soft, weak bones in children. It usually occurs when they do not get enough vitamin D, which helps growing bones absorb the minerals calcium and phosphorous. It can also happen when calcium or phosphorus levels are too low. Your child might not get enough vitamin D if he or she - Has dark skin ...
Face injuries and disorders can cause pain and affect how you look. In severe cases, they can affect sight, speech, breathing and your ability to swallow. Fractures (broken bones), especially in the bones of your nose, cheekbone and jaw, are common facial injuries. Certain diseases also lead to facial disorders. For...
What is (are) Facial Injuries and Disorders ?
Face injuries and disorders can cause pain and affect how you look. In severe cases, they can affect sight, speech, breathing and your ability to swallow. Broken bones, especially the bones of your nose, cheekbone and jaw, are common facial injuries. Certain diseases also lead to facial disorders. For example, nerve...
An aneurysm is a bulge or "ballooning" in the wall of an artery. Arteries are blood vessels that carry oxygen-rich blood from the heart to other parts of the body. If an aneurysm grows large, it can burst and cause dangerous bleeding or even death. Most aneurysms occur in the aorta, the main artery that runs from t...
What is (are) Aneurysms ?
An aneurysm is a bulge or "ballooning" in the wall of an artery. Arteries are blood vessels that carry oxygen-rich blood from the heart to other parts of the body. If an aneurysm grows large, it can burst and cause dangerous bleeding or even death. Most aneurysms occur in the aorta, the main artery that runs from t...
An arrhythmia is a problem with the speed or rhythm of the heartbeat. Atrial fibrillation (AF) is the most common type of arrhythmia. The cause is a disorder in the heart's electrical system. Often, people who have AF may not even feel symptoms. But you may feel : AF can lead to an increased risk of stroke. In m...
What is (are) Atrial Fibrillation ?
An arrhythmia is a problem with the speed or rhythm of the heartbeat. Atrial fibrillation (AF) is the most common type of arrhythmia. The cause is a disorder in the heart's electrical system. Often, people who have AF may not even feel symptoms. But you may feel - Palpitations -- an abnormal rapid heartbeat...
Health literacy involves the information that people need to be able to make good decisions about health. There are two parts: Many different factors can affect a person's health literacy, including their: Many of the same people who are at risk for limited health literacy also have health disparities. Health dispar...
Do you have information about Health Literacy
Summary : Health literacy refers to how well a person can get the health information and services that they need, and how well they understand them. It is also about using them to make good health decisions. It involves differences that people have in areas such as - Access to information that they can understand...
Pelvic inflammatory disease (PID) is an infection and inflammation of the uterus, ovaries, and other female reproductive organs. It causes scarring in these organs. This can lead to infertility, ectopic pregnancy, pelvic pain, abscesses, and other serious problems. PID is the most common preventable cause of inferti...
What is (are) Pelvic Inflammatory Disease ?
Pelvic inflammatory disease (PID) is an infection and inflammation of the uterus, ovaries, and other female reproductive organs. It causes scarring in these organs. This can lead to infertility, ectopic pregnancy, pelvic pain, abscesses, and other serious problems. PID is the most common preventable cause of infertilit...
Diabetes is a disease in which your blood glucose, or blood sugar, levels are too high. When you are pregnant, high blood sugar levels are not good for your baby. About seven out of every 100 pregnant women in the United States get gestational diabetes. Gestational diabetes is diabetes that happens for the first tim...
What is (are) Diabetes and Pregnancy ?
Diabetes is a disease in which your blood glucose, or blood sugar, levels are too high. When you are pregnant, high blood sugar levels are not good for your baby. About seven out of every 100 pregnant women in the United States get gestational diabetes. Gestational diabetes is diabetes that happens for the first tim...
Smoking cigarettes has many health risks for everyone. However, the younger you are when you start smoking, the more problems it can cause. People who start smoking before the age of 21 have the hardest time quitting. Teens who smoke are also more likely to use alcohol and illegal drugs. The problem is not just ciga...
What is (are) Smoking and Youth ?
Smoking cigarettes has many health risks for everyone. However, the younger you are when you start smoking, the more problems it can cause. People who start smoking before the age of 21 have the hardest time quitting. Teens who smoke are also more likely to use alcohol and illegal drugs. The problem is not just ciga...
Fibromyalgia is chronic condition that causes pain all over the body, fatigue, and other symptoms. People with fibromyalgia may be more sensitive to pain than people who don't have it. This is called abnormal pain perception processing. The exact cause of fibromyalgia is unknown. Researchers think that certain thing...
What is (are) Fibromyalgia ?
Fibromyalgia is a disorder that causes muscle pain and fatigue. People with fibromyalgia have "tender points" on the body. Tender points are specific places on the neck, shoulders, back, hips, arms, and legs. These points hurt when pressure is put on them. People with fibromyalgia may also have other symptoms, such ...
Menopause is the time in a woman's life when her period stops. It usually occurs naturally, most often after age 45. Menopause happens because the woman's ovaries stop producing the hormones estrogen and progesterone. A woman has reached menopause when she has not had a period for one year. Changes and symptoms c...
What is (are) Menopause ?
Menopause is the time in a woman's life when her period stops. It usually occurs naturally, most often after age 45. Menopause happens because the woman's ovaries stop producing the hormones estrogen and progesterone. A woman has reached menopause when she has not had a period for one year. Changes and symptoms can...
There are many new responsibilities when you have a baby. One of them is to make sure that your baby gets regular checkups, which are called well-baby exams. These exams are important in making sure that your baby is growing and developing properly. If there are problems, you can catch them early. This means that th...
Do you have information about Baby Health Checkup
Summary : There are many new responsibilities when you have a baby. One of them is to make sure they get the checkups that they need. Well-baby exams are important in making sure that your baby is growing and developing properly. If there are problems, you can catch them early. This means that there is a better chance ...
Some eye problems are minor and don't last long. But some can lead to a permanent loss of vision. Common eye problems include: Your best defense is to have regular checkups, because eye diseases do not always have symptoms. Early detection and treatment could prevent vision loss. See an eye care professional right a...
What is (are) Eye Diseases ?
Some eye problems are minor and don't last long. But some can lead to a permanent loss of vision. Common eye problems include - Refractive errors - Cataracts - clouded lenses - Glaucoma - a disorder caused by damage to the optic nerve - Retinal disorders - problems with the nerve layer at the back of ...
Juvenile arthritis (JA) is arthritis that happens in children. It causes joint swelling, pain, stiffness, and loss of motion. It can affect any joint, but is more common in the knees, hands, and feet. In some cases it can affect internal organs as well. The most common type of JA that children get is juvenile idiopa...
What is (are) Juvenile Arthritis ?
Juvenile arthritis (JA) is arthritis that happens in children. It causes joint swelling, pain, stiffness, and loss of motion. It can affect any joint, but is more common in the knees, hands, and feet. In some cases it can affect internal organs as well. The most common type of JA that children get is juvenile idiopa...
Most people have four pea-sized glands, called parathyroid glands, on the thyroid gland in the neck. Though their names are similar, the thyroid and parathyroid glands are completely different. The parathyroid glands make parathyroid hormone (PTH), which helps your body keep the right balance of calcium and phosphor...
What is (are) Parathyroid Disorders ?
Most people have four pea-sized glands, called parathyroid glands, on the thyroid gland in the neck. Though their names are similar, the thyroid and parathyroid glands are completely different. The parathyroid glands make parathyroid hormone (PTH), which helps your body keep the right balance of calcium and phosphorous...
Your body normally cools itself by sweating. During hot weather, especially when it is very humid, sweating just isn't enough to cool you off. Your body temperature can rise to dangerous levels and you can develop a heat illness. Most heat illnesses happen when you stay out in the heat too long. Exercising and work...
What is (are) Heat Illness ?
Your body normally cools itself by sweating. During hot weather, especially with high humidity, sweating just isn't enough. Your body temperature can rise to dangerous levels and you can develop a heat illness. Most heat illnesses occur from staying out in the heat too long. Exercising too much for your age and physica...
A heart transplant removes a damaged or diseased heart and replaces it with a healthy one. The healthy heart comes from a donor who has died. It is the last resort for people with heart failure when all other treatments have failed. The heart failure might have been caused by coronary heart disease, damaged heart va...
Do you have information about Heart Transplantation
Summary : A heart transplant removes a damaged or diseased heart and replaces it with a healthy one. The healthy heart comes from a donor who has died. It is the last resort for people with heart failure when all other treatments have failed. The heart failure might have been caused by coronary heart disease, damaged h...
Your ear has three main parts: outer, middle and inner. You use all of them in hearing. Sound waves come in through your outer ear. They reach your middle ear, where they make your eardrum vibrate. The vibrations are transmitted through three tiny bones, called ossicles, in your middle ear. The vibrations travel to ...
What is (are) Ear Disorders ?
Your ear has three main parts: outer, middle and inner. You use all of them in hearing. Sound waves come in through your outer ear. They reach your middle ear, where they make your eardrum vibrate. The vibrations are transmitted through three tiny bones, called ossicles, in your middle ear. The vibrations travel to you...
Respiratory failure is a condition in which your blood doesn't have enough oxygen or has too much carbon dioxide. Sometimes you can have both problems. When you breathe, your lungs take in oxygen. The oxygen passes into your blood, which carries it to your organs. Your organs, such as your heart and brain, need this...
What is (are) Respiratory Failure ?
Respiratory failure happens when not enough oxygen passes from your lungs into your blood. Your body's organs, such as your heart and brain, need oxygen-rich blood to work well. Respiratory failure also can happen if your lungs can't remove carbon dioxide (a waste gas) from your blood. Too much carbon dioxide in your b...
Croup is an inflammation of the vocal cords (larynx) and windpipe (trachea). It causes difficulty breathing, a barking cough, and a hoarse voice. The cause is usually a virus, often parainfluenza virus. Other causes include allergies and reflux. Croup often starts out like a cold. But then the vocal cords and windpipe ...
What is (are) Croup ?
Croup is an inflammation of the vocal cords (larynx) and windpipe (trachea). It causes difficulty breathing, a barking cough, and a hoarse voice. The cause is usually a virus, often parainfluenza virus. Other causes include allergies and reflux. Croup often starts out like a cold. But then the vocal cords and windpi...
Botulism is a rare but serious illness. The cause is a toxin (poison) made by a bacterium called Clostridium botulinum. It occurs naturally in soil. There are several kinds of botulism. Foodborne botulism comes from eating foods contaminated with the toxin. Wound botulism happens when a wound infected with the ba...
What is (are) Botulism ?
Botulism is a rare but serious illness. The cause is a toxin (poison) made by a bacterium called Clostridium botulinum. It occurs naturally in soil. There are several kinds of botulism. Foodborne botulism comes from eating foods contaminated with the toxin. Wound botulism happens when a wound infected with the bact...
Winter storms can bring extreme cold, freezing rain, snow, ice, and high winds. Staying safe and warm can be a challenge. You may have to cope with problems such as: If you do experience a disaster, it is normal to feel stressed. You may need help in finding ways to cope. Centers for Disease Control and Prevention
Do you have information about Winter Weather Emergencies
Summary : Severe winter weather can lead to health and safety challenges. You may have to cope with - Cold related health problems, including frostbite and hypothermia - Household fires and carbon monoxide poisoning from space heaters and fireplaces - Unsafe driving conditions from icy roads - Power fai...
When a hazardous chemical has been released, it may harm people's health. Chemical releases can be unintentional, as in the case of an industrial accident. They could also be planned, as in the case of a terrorist attack with a chemical weapon. Some hazardous chemicals have been developed by military organizations for ...
What is (are) Chemical Emergencies ?
When a hazardous chemical has been released, it may harm people's health. Chemical releases can be unintentional, as in the case of an industrial accident. They could also be planned, as in the case of a terrorist attack with a chemical weapon. Some hazardous chemicals have been developed by military organizations f...
Asbestos is the name of a group of minerals with long, thin fibers. It was once used widely as insulation. It also occurs in the environment. Asbestos fibers are so small you can't see them. If you disturb asbestos, the fibers can float in the air. This makes them easy to inhale, and some may become lodged in the lu...
Do you have information about Asbestos
Summary : Asbestos is the name of a group of minerals with long, thin fibers. It was once used widely as insulation. It also occurs in the environment. Asbestos fibers are so small you can't see them. If you disturb asbestos, the fibers can float in the air. This makes them easy to inhale, and some may become lodged in...
Polio, or poliomyelitis, is a disease that spreads from person to person. It is caused by the poliovirus. The virus attacks the nervous system. In serious cases, it can cause paralysis (where you can't move parts of the body). The paralysis may be lifelong and can sometimes be life-threatening. Because of vaccines, ...
What is (are) Polio and Post-Polio Syndrome ?
Polio is an infectious disease caused by a virus. The virus lives in an infected person's throat and intestines. It is most often spread by contact with the stool of an infected person. You can also get it from droplets if an infected person sneezes or coughs. It can contaminate food and water if people do not wash the...
HIV stands for human immunodeficiency virus. It harms your immune system by destroying a type of white blood cell that helps your body fight infection. AIDS is the final stage of infection with HIV. It happens when the body's immune system is badly damaged because of the virus. Not everyone with HIV develops AIDS. T...
What is (are) Living with HIV/AIDS ?
Infection with HIV is serious. But the outlook for people with HIV/AIDS is improving. If you are infected with HIV, there are many things you can do to help ensure you have a longer, healthier life. One important thing is to take your medicines. Make sure you have a health care provider who knows how to treat HIV. You ...
Insomnia is a common sleep disorder. If you have it, you may have trouble falling asleep, staying asleep, or both. As a result, you may get too little sleep or have poor-quality sleep. You may not feel refreshed when you wake up. Insomnia can be acute (short-term) or chronic (ongoing). Acute insomnia is common. Comm...
What is (are) Insomnia ?
Insomnia is a common sleep disorder. If you have it, you may have trouble falling asleep, staying asleep, or both. As a result, you may get too little sleep or have poor-quality sleep. You may not feel refreshed when you wake up. Symptoms of insomnia include: - Lying awake for a long time before you fall aslee...
Constipation means that a person has three or fewer bowel movements in a week. The stool can be hard and dry. Sometimes it is painful to pass. At one time or another, almost everyone gets constipated. In most cases, it lasts a short time and is not serious. There are many things you can do to prevent constipation....
What is (are) Constipation ?
Constipation means that a person has three or fewer bowel movements in a week. The stool can be hard and dry. Sometimes it is painful to pass. At one time or another, almost everyone gets constipated. In most cases, it lasts a short time and is not serious. There are many things you can do to prevent constipation. ...
You may have heard of anabolic steroids, which can have harmful effects. But there's another type of steroid - sometimes called a corticosteroid - that treats a variety of problems. These steroids are similar to hormones that your adrenal glands make to fight stress associated with illnesses and injuries. They reduc...
Do you have information about Steroids
Summary : You may have heard of anabolic steroids, which can have harmful effects. But there's another type of steroid - sometimes called a corticosteroid - that treats a variety of problems. These steroids are similar to hormones that your adrenal glands make to fight stress associated with illnesses and injuries. The...
Your rotator cuff is part of your shoulder joint. It's a group of muscles and tendons that holds the top part of your upper arm bone firmly in your shoulder socket. The rotator cuff keeps your shoulder stable when you move your arm in any direction. Rotator cuff injuries are common. Most of them are wear-and-tear in...
What is (are) Rotator Cuff Injuries ?
Your rotator cuff is located in your shoulder area. It is made of muscles and tendons. It helps your shoulder to move and stay stable. Problems with the rotator cuff are common. They include tendinitis, bursitis, and injuries such as tears. Rotator cuff tendons can become inflamed from frequent use or aging. Sometim...
Antibiotics are medicines that fight bacterial infections in people and animals. They work by killing the bacteria or by making it hard for the bacteria to grow and multiply. Antibiotics can be taken in different ways: Antibiotics only treat certain bacterial infections, such as strep throat, urinary tract infection...
Do you have information about Antibiotics
Summary : Antibiotics are powerful medicines that fight bacterial infections. Used properly, antibiotics can save lives. They either kill bacteria or keep them from reproducing. Your body's natural defenses can usually take it from there. Antibiotics do not fight infections caused by viruses, such as - Colds ...
Colonoscopy and flexible sigmoidoscopy are procedures that let your doctor look inside your rectum and colon (large intestine). They use instruments called scopes. Scopes have a light and a tiny camera attached to a long, thin tube. These procedures let your doctor see problems such as inflamed tissue, ulcers, polyp...
Do you have information about Colonoscopy
Summary : Colonoscopy and sigmoidoscopy are procedures that let your doctor look inside your large intestine. They use instruments called scopes. Scopes have a tiny camera attached to a long, thin tube. The procedures let your doctor see things such as inflamed tissue, abnormal growths, and ulcers. Colonoscopy chec...
Metabolism is the process your body uses to get or make energy from the food you eat. Food is made up of proteins, carbohydrates, and fats. Chemicals in your digestive system break the food parts down into sugars and acids, your body's fuel. Your body can use this fuel right away, or it can store the energy in your ...
What is (are) Metabolic Disorders ?
Metabolism is the process your body uses to get or make energy from the food you eat. Food is made up of proteins, carbohydrates, and fats. Chemicals in your digestive system break the food parts down into sugars and acids, your body's fuel. Your body can use this fuel right away, or it can store the energy in your bod...
Rheumatoid arthritis (RA) is a form of arthritis that causes pain, swelling, stiffness and loss of function in your joints. It can affect any joint but is common in the wrist and fingers. More women than men get rheumatoid arthritis. It often starts in middle age and is most common in older people. You might have th...
What is (are) Rheumatoid Arthritis ?
Rheumatoid arthritis (RA) is a form of arthritis that causes pain, swelling, stiffness and loss of function in your joints. It can affect any joint but is common in the wrist and fingers. More women than men get rheumatoid arthritis. It often starts in middle age and is most common in older people. You might have th...
Chikungunya is a virus that spread by the same kinds of mosquitoes that spread dengue and Zika virus. Rarely, it can spread from mother to newborn around the time of birth. It may also possibly spread through infected blood. There have been outbreaks of chikungunya virus in Africa, Asia, Europe, the Indian and Pacific ...
What is (are) Chikungunya ?
Chikungunya is a virus that spread by the same kinds of mosquitoes that spread dengue and Zika virus. Rarely, it can spread from mother to newborn around the time of birth. It may also possibly spread through infected blood. There have been outbreaks of chikungunya virus in Africa, Asia, Europe, the Indian and Pacific ...
When you look at an object, you're using several muscles to move both eyes to focus on it. If you have a problem with the muscles, the eyes don't work properly. There are many kinds of eye movement disorders. Two common ones are: Some eye movement disorders are present at birth. Others develop over time and may be a...
What is (are) Eye Movement Disorders ?
When you look at an object, you're using several muscles to move both eyes to focus on it. If you have a problem with the muscles, the eyes don't work properly. There are many kinds of eye movement disorders. Two common ones are - Strabismus - a disorder in which the two eyes don't line up in the same directio...
Scleroderma means hard skin. It is a group of diseases that cause abnormal growth of connective tissue. Connective tissue is the material inside your body that gives your tissues their shape and helps keep them strong. In scleroderma, the tissue gets hard or thick. It can cause swelling or pain in your muscles and ...
What is (are) Scleroderma ?
Scleroderma means hard skin. It is a group of diseases that cause abnormal growth of connective tissue. Connective tissue is the material inside your body that gives your tissues their shape and helps keep them strong. In scleroderma, the tissue gets hard or thick. It can cause swelling or pain in your muscles and join...
Cancer that starts in a bone is uncommon. Cancer that has spread to the bone from another part of the body is more common. There are three types of bone cancer: The most common symptom of bone cancer is pain. Other symptoms vary, depending on the location and size of the cancer. Surgery is often the main treatment...
What is (are) Bone Cancer ?
Cancer that starts in a bone is uncommon. Cancer that has spread to the bone from another part of the body is more common. There are three types of bone cancer: - Osteosarcoma - occurs most often between ages 10 and 19. It is more common in the knee and upper arm. - Chondrosarcoma - starts in cartilage, us...
A poison is any substance that is harmful to your body. You might swallow it, inhale it, inject it, or absorb it through your skin. Any substance can be poisonous if too much is taken. Poisons can include: The effects of poisoning range from short-term illness to brain damage, coma, and death. To prevent poisoning i...
What is (are) Poisoning ?
A poison is any substance that is harmful to your body. You might swallow it, inhale it, inject it, or absorb it through your skin. Any substance can be poisonous if too much is taken. Poisons can include - Prescription or over-the-counter medicines taken in doses that are too high - Overdoses of illegal drugs...
Von Hippel-Lindau disease (VHL) is a rare disease that causes tumors and cysts to grow in your body. They can grow in your brain and spinal cord, kidneys, pancreas, adrenal glands, and reproductive tract. The tumors are usually benign (non-cancerous). But some tumors, such as those in the kidney and pancreas, can becom...
What is (are) Von Hippel-Lindau Disease ?
Von Hippel-Lindau disease (VHL) is a rare, genetic disease that causes tumors and cysts to grow in your body. The tumors can be either cancerous or benign. They can grow in your brain and spinal cord, kidneys, pancreas and, in men, their genital tract. Symptoms of VHL vary and depend on the size and location of the tum...
Your vascular system is your body's network of blood vessels. It includes your: Vascular diseases are conditions which affect your vascular system. They are common and can be serious. Some types include: The causes of vascular diseases depend on the specific disease. These causes include: Sometimes the cause is unkn...
What is (are) Vascular Diseases ?
The vascular system is the body's network of blood vessels. It includes the arteries, veins and capillaries that carry blood to and from the heart. Problems of the vascular system are common and can be serious. Arteries can become thick and stiff, a problem called atherosclerosis. Blood clots can clog vessels and block...
Your salivary glands make saliva - sometimes called spit - and empty it into your mouth through openings called ducts. Saliva makes your food moist, which helps you chew and swallow. It helps you digest your food. It also cleans your mouth and contains antibodies that can kill germs. Salivary gland cancer is a type ...
What is (are) Salivary Gland Cancer ?
Your salivary glands make saliva - sometimes called spit - and empty it into your mouth through openings called ducts. Saliva makes your food moist, which helps you chew and swallow. It helps you digest your food. It also cleans your mouth and contains antibodies that can kill germs. Salivary gland cancer is a type ...
Noise is all around you, from televisions and radios to lawn mowers and washing machines. Normally, you hear these sounds at safe levels that don't affect hearing. But sounds that are too loud or loud sounds over a long time are harmful. They can damage sensitive structures of the inner ear and cause noise-induced...
Do you have information about Noise
Summary : Noise is all around you, from televisions and radios to lawn mowers and washing machines. Normally, you hear these sounds at safe levels that don't affect hearing. But sounds that are too loud or loud sounds over a long time are harmful. They can damage sensitive structures of the inner ear and cause noise-in...