A fracture can occur in any bone in the body, including the vertebrae or the ribs, although it is most common in the extremities. Broken bones are called simple fractures when the skin is intact and compound fractures when the s...

This annoying skin problem is caused by an overproduction of sebum, an oily substance which helps protect the skin. A build-up of sebum blocks and infects pores, which produces pustules and blackheads. The black color of blackhe...