Plantar fasciitis (PLAN-ter fash-ee-EYE-tus) is pain and inflammation on the bottom of the foot and heel from too much pressure on the foot. It tends to happen in kids and teens who do a lot of ...

What Is Iliotibial Band Syndrome? Iliotibial (IT) band syndrome is an overuse or repetitive stress injury to the knee or hip that can happen someone bends their knee a lot. It tends to happen in ...

What Is Hypotonic Cerebral Palsy? Cerebral palsy (CP) affects muscle movement and control. People with CP have it for life. Hypotonic CP is rarer than other types of CP. In rare cases, CP happens ...

Rumination syndrome happens when just-swallowed food comes back up into the mouth from the stomach. When this happens, a person chews and swallows the food again or spits it out. Rumination syndrome ...

Most blood tests take only a few minutes. They’re done at some doctor’s offices, and at community labs, diagnostic centers, and hospitals. A doctor, nurse, or phlebotomist (fleh-BOT-eh-mist, someone ...

In central diabetes insipidus, the body doesn't produce enough antidiuretic hormone (ADH), also called vasopressin. ADH, made by an area of the brain called the hypothalamus, helps balance the amount ...

Herd immunity is the idea that when many people are immune to (protected from) a contagious infection, it's harder for that infection to spread in a community. Antibody shots against specific germs ...

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 ...

When people masturbate, they touch or rub their own genitals because they like the way it feels. This won’t stunt their growth (keep them from getting taller) or cause any health problems. You might ...

We see and hear about hearts everywhere. A long time ago, people even thought that their emotions came from their hearts, maybe because the heart beats faster when a person is scared or excited. Now ...

Heavy metals are elements that are found in soil, water, and the air we breathe. Plants take up these metals as they grow and can end up in the food we eat. Our bodies need some heavy metals (like ...

Is it Safe to Use Household Chemicals During Pregnancy? Some household cleaners and chemicals are safe to use during pregnancy while others are not. Chemicals like ammonia and chlorine might cause ...