Football's Concussion Problem, in 3 Terrifying Pictures | Mother Jones

Football's Concussion Problem, in 3 Terrifying Pictures | Mother Jones: League of Denial, a PBS Frontline documentary about the NFL's response (or lack thereof) to concussions and long-term brain injuries among its players, airs tonight. The investigation attempts to hash out what the league really knew about player safety while it downplayed the ill effects the sport has on its athletes. But what exactly are those effects, and what about them made thousands of former players sue the NFL over their injuries?