Study finds CTE in 99 percent of deceased NFL players

[ahlam1399]

http://img-s-msn-com.akamaized.net/tenant/amp/entityid/AAoP39Q.img?h=100&w=100&m=6&q=60&o=f&l=fChronic traumatic encephalopathy (CTE), a degenerative brain disease believed to be caused by repeated impacts to the head, was discovered in 99 percent of the brains of deceased NFL players in a recent study.

أكثر... (http://www.msn.com/en-ca/sports/nfl/study-finds-cte-in-99-percent-of-deceased-nfl-players/ar-AAoP39R?srcref=rss)