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Retired football players who suffered three or four concussions have twice the risk of later developing clinical depression - a risk that rises with even more injuries, new research says.
It's the latest finding that suggests what many people consider merely a bang really can have long-term repercussions. Now scientists are beginning intensive studies to pin down just what happens inside the brain when someone has a concussion.
Concussions, a mild brain injury, can be caused by any hard blow or jolt to the head - from whiplash during a car accident to a tumble onto a sidewalk. Each year, an estimated 1.1 million Americans get a concussion.
But pro and amateur athletes are more likely than the average person to have repeated concussions....
more
It's the latest finding that suggests what many people consider merely a bang really can have long-term repercussions. Now scientists are beginning intensive studies to pin down just what happens inside the brain when someone has a concussion.
Concussions, a mild brain injury, can be caused by any hard blow or jolt to the head - from whiplash during a car accident to a tumble onto a sidewalk. Each year, an estimated 1.1 million Americans get a concussion.
But pro and amateur athletes are more likely than the average person to have repeated concussions....
more
