A woman’s severe shingles case highlights why experts urge all adults 50 and older to get vaccinated – protection that new research shows may also lower dementia and heart risks.

Being constipated means your bowel movements are tough or happen less often than normal. You might be constipated if you have less than three bowel movements per week. Bloating and cramps are two ...

High blood levels of lead can be harmful, and recent headlines suggest the heavy metal has gotten ingo our food supply. Knowledge is your best defense – here's what the science and the experts say.

Circadian researchers explain why a single hour can rattle your body, and the simple steps that streamline the switch.

There are many different names for the over-the-counter (OTC) medications that people take to relieve joint pain. Most products rely on just a few ingredients to do that. Here's what you need to know ...

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 ...

Cholesterol is a naturally occurring, waxy element in your blood. You need it to build healthy cells, and make vitamin D, hormones, and fat-dissolving acids. Your liver makes about 80% of the ...

Nicotine can make your blood sugar level go up or down. The chemical alters the way your body can use glucose, the sugar in your blood that fuels your cells. It could raise your odds of getting type 2 ...

Blood doping is an illicit method of improving athletic performance by artificially boosting the blood's ability to bring more oxygen to muscles. In many cases, blood doping increases the amount of ...

Alzheimer's is the most common cause of dementia in older people. Click through the WebMD slideshow to find out how the MIND diet may help prevent or delay symptoms.

Even a simple plant in the room, or pictures of nature, can make you feel less anxious, angry, and stressed. But it’s better if you get out of that room and go out. Exercise is good for anxiety too.

These clumps of veins sometimes stretch when they're under pressure. They may swell or bulge, kind of like varicose veins. This causes what we call hemorrhoids, or piles. They're usually not serious, ...