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

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.

With the proper treatment, tuberculosis (TB, for short) is almost always curable. Doctors prescribe antibiotics to kill the bacteria that cause it. You’ll need to take them for 6 to 9 months. What ...

You need to get 10%-35% of your calories from protein each day. If you eat 2,000 calories a day, that's 50-175 grams of protein. Here are some of the best protein sources that can help you meet your ...

What Does A Drug Interaction Checker Do? The WebMD Drug Interaction Checker lets you enter the medicines, supplements, and foods you're taking to check for potential interactions. All content has been ...

Even though the experience of pain varies from one person to the next, it is possible to categorize the different types of pain. Neuropathic pain is often described as a shooting or burning pain. It ...

Smoking and other tobacco use can cause oral health problems like gum disease and tooth decay. Tooth decay is the destruction of tooth structure and can affect both the enamel and the dentin layer of ...

Masturbation is a very natural and healthy part of childhood. And it can start at a younger age than you might think. "It's the beginning of a lifelong learning experience about their bodies and, ...

Salt and pepper, silver, pewter, charcoal. Whatever you call it, we all get gray hair at some point. But why do some people go gray in their 20s while others don’t see the first sign of silver until ...

Later, I learned that circadian rhythm disorders are very common in bipolar disorder. The condition disrupts the body’s sleep-wake cycle, throwing off your sleep drive and alertness signals. You may ...

When you scrape your knee, break a bone, or cut yourself, the body is able to heal itself. But that’s not the case with certain conditions, like diabetes or heart disease. Regenerative medicine, a ...

Many men go through a phase when they take a hard look at the life they're living. They think they could be happier, and if they need to make a big change, they feel the urge to do it soon. These ...