We increasingly live two lives, one online, one off. And the online life is becoming the dominant — and more miserable — for us all. Why won’t we help ourselves?

Many people with depression use marijuana, but the drug can cause problems if you have this common mood disorder.

Hyaluronic acid joint injections are one treatment for osteoarthritis of the knee. WebMD tells you how these injections work.

See 8 supplements to improve digestive health, including probiotics, psyllium, ginger, l-glutamine and more from WebMD.

What you eat could make you feel better. Discover with the help of this WebMD slideshow foods, nutrients, and spices that can help lessen inflammation and ease your aches.

Feeling a little “foggy” in the head? Having trouble remembering things? You may have something called “brain fog.” Check out a few things in this WebMD slideshow that can cause it.

Is your skin dry, or thirsty? Find out how to spot the difference between skin that’s naturally dry and skin that’s dehydrated.

Can magnets have a therapeutic effect on your health? Find out more about magnetic field therapy.

COPD has different stages. You’ll want to know how severe your condition is so you can get the best treatment. Learn how doctors categorize the different stages of COPD.

There’s a lot of talk in the media about autism -- especially about what causes it. But can you prevent it? WebMD examines the myths and the truth.

Skin Problems Linked to Diabetes and Insulin Resistance Acanthosis nigricans. This is a skin problem that results in the darkening and thickening of certain areas of the skin especially in the ...

A diet that includes potassium-rich fruits and vegetables is good for the heart. WebMD explains the role of this mineral in keeping cholesterol, blood pressure, and an abnormal heart rhythm in check.