How about you look at facts before spewing PC-motivated 'guesses', like http://www.thelancet.com/journals/lanpub/article/PIIS2468-2667(17)30078-6/fulltext http:

How about you look at facts before spewing PC-motivated 'guesses', like http://www.thelancet.com/journals/lanpub/article/PIIS2468-2667(17)30078-6/fulltext http://www.thelancet.com/journals/lanpub/article/PIIS2468-26... and http://injuryprevention.bmj.com/content/8/2/111 http://injuryprevention.bmj.com/content/8/2/111 - both from the first page of my first google search, I'm sure it's trivial to find many more.