it is a matter of personal responsibility.
This is like the DUI fatality drivers who claim they could not be convicted since the intoxication rendered them impaired.
Pot destroys brain function over time.
___________________________________________________________________
High school football can damage the brain in just ONE season - even if players never suffer a concussion, study finds
1 December 2014
http://www.freerepublic.com/focus/f-chat/3232782/posts
___________________________________________________________________
So should we ban HS football?