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?

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

Learn more from WebMD about bronchial asthma, including symptoms, diagnosis, and treatment.

Masturbation may be possible if you have erectile dysfunction. It depends on what’s causing the condition.

Hoping to make your hair grow faster? Learn about hair-care tips, treatments, and tricks to nurture your hair and foster growth.

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.

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

Find in-depth information on hair loss in men and women including causes and treatment options.

Antibiotics won't help your cold, yet many people assume they will. WebMD explains why using antibiotics for a virus is a bad idea.

Allergies and anaphylaxis: common immune responses to allergens. Discover symptoms, triggers, treatments, and the importance of emergency preparedness.

Checking your blood pressure at home can be a way to monitor any hypertension and potential for heart disease. WebMD tells you how to do it.

That glass of wine with dinner might do more for you than take the edge off a long day. Check out these possible health benefits of drinking in moderation by clicking through the WebMD slideshow.