Aunque no hayas tenido tu primera regla o período menstrual, podrías quedarte embarazada si mantienes relaciones sexuales. Esto se debe a algo llamado ovulación, que ocurre incluso antes de que ...

When Are Kids Ready to Toilet Train? Many parents are unsure about when to start toilet training or "potty training." Not all kids are ready at the same age, so it's important to watch your child for ...

Sounds are everywhere, and you have two cool parts on your body that let you hear them all: your ears! The outer ear is made up of the pinna — also called the auricle (say: OR-ih-kul) — and the ear ...

People with ADHD have brain differences that affect their attention. They are distracted more easily than people who don’t have it. They often have trouble staying organized, staying focused on a task ...

Symptoms, inhaler, tonsillectomy — what do all those medical words mean? Check out our easy-to-read definitions.

Adenoids are a patch of lymphoid tissue that sits at the very back of the nasal passage. Like tonsils, adenoids help keep the body healthy by trapping harmful bacteria and viruses that we breathe in ...

What Are the Lungs and Respiratory System? The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out ...

Students who need extra help and support in school may be eligible for special education services in the form of an individualized education program (IEP). This program is offered free of charge to ...

Vomiting can be caused by many things, most commonly gastroenteritis (the "stomach flu"). Vomiting (throwing up) can cause kids to lose fluids, salts, and minerals, so it's important to make sure ...

Every single person has a skeleton made up of many bones. These bones give your body structure, let you move in many ways, protect your internal organs, and more. It's time to look at all your bones — ...

The thyroid is a small gland below the skin and muscles at the front of the neck, at the spot where a bow tie would rest. It's brownish red, with left and right halves (called lobes) that look like a ...

It’s great to feel good about yourself. To describe this, people often use words like self-confidence or self-esteem. Feeling good about yourself doesn’t mean boasting or bragging about how great you ...