Gangrene is the term used to describe the decay or death of an organ or tissue caused by a lack of blood supply. It is a complication resulting from infectious or inflammatory processes, injury, or degenerative changes associated with chronic diseases, such as diabetes mellitus.
Back pain :: Low back pain and back pain surgery
Surgery to relieve chronic lower back pain is no better than intensive rehabilitation and nearly twice as expensive, researchers said. Low back pain is one of the world’s most common complaints. In the 25-nation European Union, it affects over 40 million workers and accounts for nearly half of all sick days.