Chronic venous insufficiency is a common condition that can make blood pool or collect in your lower legs. Here's what to know about the condition and how to assess your own risk.

Experts believe that 1 in 8 people who get food poisoning while traveling may end up with a chronic condition that can linger for months or even years.

Modern weight loss medications represent a breakthrough, but they are most effective when combined with the right lifestyle strategies. Here's what that looks like.

Alzheimer's disease affects an estimated 1 in 10 people over age 65. Find in-depth Alzheimer's information ...

Shin splints are caused by stress on your shinbone and the connective tissues that attach muscles to your bones, causing inflammation and pain in the shins.

Learn about cataracts in dogs, including symptoms, inheritance, treatment, and prevention.

Your sleep position can make you more likely to snore, have back pain, or get a good night’s rest. Find out what effects your sleep position may have on your health.

Asthma (reactive airway disease) affects an estimated 34 million people in the U.S. Find in-depth asthma information, including treatments, triggers, and prevention.

WebMD's COPD Health Center provides in-depth information on chronic obstructive pulmonary disease including symptoms, causes, treatment options, diagnosis, and tests.