Experts clear up the confusion on lactic acid, the burning sensation you feel in your legs during hard efforts, how to ...

Arthritis in the knees can be a debilitating condition that affects a person's mobility and quality of life. Find out about types of knee arthritis, signs to watch for and treatment options.

Necrotizing fasciitis is a rare, life-threatening illness caused by bacteria that aggressively attack the soft tissue of the ...