After studying the brains of 12 soccer players with an average age of 19 who never suffered a concussion but regularly headed the ball, Harvard Medical School researchers found potentially damaging changes in the areas of the brain responsible for memory and higher-level thinking in the soccer players.
8 Most Dangerous Sports for Your Kids
by Bill Phillips and the Editors of Men’s Health
Men’s Health
(sk) 俺の頭が悪いのはやっぱりヘッディングのせいだったのか。。。くそー ；）