A new treatment for head trauma: Inducing deep sleep may protect our brains

Last week a senior National Football League official acknowledged for the first time the link between head injuries in professional football and a degenerative brain disease called chronic traumatic encephalopathy. The admission—which has been compared with Big Tobacco’s 1997 disclosure that smoking causes cancer—comes at a time when the dangers of less severe traumatic brain injuries (TBIs), including concussions, have also been making headlines.Scientists do n