This autoimmune disease may impact your skin as well as your nails and hair. Learn what to look for to treat lupus more effectively.

What Causes a Rash in Your Armpit? An armpit rash is more common than you might think. Your armpits probably come into contact with more chemicals each day than most other parts of your body. Don’t be ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Having a circular rash can spark fears that you’ve picked up ringworm. After all, the fungal infection is ...