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.

Hysteroscopy: If you’re having certain symptoms, like a heavy menstrual period, a hysteroscopy may help your doctor diagnose or treat your problem. Learn what the procedure is and what to expect.

Asthma is a difficult condition to diagnose, especially in children, and is often diagnosed after other conditions are ruled out. Learn more about the diagnostic process for asthma and the tests ...

A piece of fruit can be a good way to satisfy your sweet tooth, but they’re not all created equal. WebMD shows you which fruits have the most -- and least -- sugar.

Discover the digestive system and understand its intricate processes. From mouth to the intestines, learn about each organ's role in digestion.

Polycystic ovary syndrome, or PCOS, has a number of symptoms associated with it. Many of the symptoms of PCOS are common issues that many women deal with in their lives, so it may be many years ...

Most people don’t get anesthesia often, so you might not know much about it. Learn how you should prepare before you “go under” and what to expect.

How many calories do you need each day to maintain a healthy weight? Here's a chart that shows how many calories you need each day to maintain weight, lose weight, or gain weight.

The experts at WebMD provide a list of common diabetes drugs.

In severe cases, a salicylate allergy can lead to anaphylaxis, which is a life-threatening reaction that is an emergency. But this is rare in the case of salicylate allergy.

ADHD affects an estimated 3% to 5% of children and adults in the U.S. Get ADD and ADHD information here including its causes, diagnosis, and promising treatments.