It’s normal for people to masturbate (touch or rub their own genitals because they like the way it feels). Some people do it to relieve stress or tension. It’s nothing to be ashamed of or embarrassed ...

Retractions Retractions are a sign that someone is working hard to breathe. The areas below the ribs, between the ribs, and in the neck sink in with each attempt to inhale. Normally, when you take a ...

The human body is an amazing machine. Learn more about it through movies, quizzes, articles, and more.

What Are Blood Tests? By taking and testing a small sample of a person’s blood, doctors can check for many kinds of diseases and conditions. Blood tests help doctors check how the body’s organs — such ...

What Is Genetic Counseling? Genetic counseling is a way for people to understand how genetic illnesses can affect them and their family. Genetic illnesses (also called genetic disorders) are caused by ...

Walking pneumonia symptoms usually depend on where the infection is concentrated. A child whose infection is in the top or middle part of the lungs will probably have labored breathing. Another whose ...

What Does the Central Nervous System Do? The brain is like a central computer that controls all the body's functions. It is in charge of what we think and feel, how we learn and remember, and the way ...

What Is Oral Thrush? Oral thrush is a very common yeast infection in babies. It causes irritation in and around a baby's mouth. What Are the Signs and Symptoms of Oral Thrush? Oral thrush (also called ...

Fifth disease is a viral illness that most kids recover from quickly and without problems. It's especially common in kids ages 5 to 15. Fifth disease is known for a rash that makes a child’s cheeks ...

What Is Hand, Foot, and Mouth Disease (HFM)? Hand, foot, and mouth disease (HFM) is a common viral infection that causes painful red blisters in the mouth and throat, and on the hands, feet, and ...

Why Is it Dangerous to Get Overheated During Pregnancy? If you're pregnant and your body temperature goes above 102.2°F (39°C) for long periods of time, there is a risk of birth defects or other ...

What Causes Pain While Peeing? Pain while peeing (urinating) can be caused by different things, including: infection in the urinary tract irritation or injury of the genital area stones (small masses ...