const mongoose = require("mongoose"); const usuario = new mongoose.Schema({ nombre: { type: String, required: true }, apellido: { type: String, required: true }, username: { type: String, required: true }, password: { type: String, required: true }, edad: { type: Number, required: true }, altura: { type: Number, required: true }, peso: { type: Number, required: true }, genero: { type: String, required: true }, tipo_diabetes: { type: String, required: true }, actividad_fisica: { type: String, required: true }, });