Concussion settlement highlights difficulty of proving brain damage

Thursday's $765-million settlement between the National Football League and 4,500 retired NFL players underscores two key facts about traumatic brain injury: that it is difficult to prove and measure -- especially many years after the fact -- and that its link to neurocognitive problems that appear years later remains an enigma.



via L.A. Times - Health http://feeds.latimes.com/~r/latimes/features/health/~3/k-CDKpvP4C0/la-sci-concussion-settlement-brain-damage-20130829,0,3759738.story