The Wegovy pill is expected to hit the market in January, joining injectable GLP-1 drugs that have transformed obesity treatment. One form you swallow, the other you inject. What else is different?

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, ...

What Does the Research Say About Cannabis? Also known as marijuana, there’s growing interest in the health benefits of cannabis, specifically cannabis compounds. Two cannabinoids that get a lot of ...

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 ...

How Many Hours of Sleep Do You Need? The amount of sleep a person needs depends on many things, including their age. In general: But experts say that if you feel drowsy during the day, even during ...

You've probably heard of antihistamines. They're medicines that tame allergy symptoms. But what are histamines? They're chemicals your immune system makes. Histamines act like bouncers at a club. They ...

What Is an Estrogen Test? An estrogen test is a way for your doctor to help check on concerns with puberty, fertility, menopause, and other conditions. Your doctor may also call these estrone (E1), ...

You know that obesity and high blood pressure can raise your risk for a heart attack, but WebMD's slideshow illustrates some lesser known triggers that might surprise you.

You have many bacteria in your body. In fact, you have more of them than you have cells. Most are good for you. The ones found in your gut not only help you digest foods, they work all over your body ...

What's the Digestive System? Your digestive system is a group of connected organs that work together to turn the food you eat into nutrients your body needs to function. It includes your biliary ...

Fruits and vegetables are rich in cancer-fighting nutrients -- and the more color, the more nutrients they contain. These foods can help lower your risk in a second way, too, when they help you reach ...

Fact. Poison ivy, poison oak, and poison sumac grow in wooded or marshy areas throughout North America. The plants aren’t really poisonous. They have a sticky, long-lasting oil called urushiol that ...