Catatonia is often dramatically portrayed as a condition that belongs in horror movies, presenting someone as completely motionless or immobile for shock value.

From Thanksgiving to New Year’s, holiday togetherness comes with a catch: a spike in the viruses that thrive when we all gather inside.

Three new studies shed light on some common questions about atrial fibrillation: whether your morning coffee matters, whether ...

The most common sign of a hernia is a bulge that you can see or feel under your skin. Where that bulge shows up depends on what type of hernia you have. You may have other symptoms, too. This is the ...

"Encephalopathy" means damage or disease that affects the brain. It happens when there’s been a change in the way your brain works or a change in your body that affects your brain. Those changes lead ...

When you eat a healthy meal, you expect your body to reap the benefits of the vitamins and minerals. But a condition called malabsorption syndrome means your body isn’t able to take in many of the ...

Endometriosis is a condition where tissue similar to the uterine lining grows outside the uterus, causing pain and fertility issues. Endometriosis can be tough, but effective treatments exist. Explore ...

Any change to the color of your tooth is discoloration, also called a stain. There are lots of reasons your tooth can change color. And if your tooth is discolored, it doesn't look as bright or white ...

Addiction—to prescription and street drugs and alcohol —is a serious problem. If you’re worried that you or a loved one may have an addiction, there are signs to help you know. Signs you may have a ...

It goes by many names: indigestion, heartburn, acid reflux, GERD. Whatever you call it, it happens when stomach juices flow in the wrong direction, back toward your throat. Find out from this WebMD ...

When everything is in order, you know exactly where you put your glasses and keys so you can grab them and go on with your day. That saves time and a whole lot of hassle. In one study, women who saw ...

Click through the WebMD slide show to find out about home remedies: Some that work, some that don’t, and some that you should avoid at all costs.