A Single Concussion May Have Lasting Impact

This is not new news, but it is good that it is being reported on. In a lecture I give there was a good study from 2009 highlighting this. 

By GRETCHEN REYNOLDS

A single concussion experienced by a child or teenager may have lasting repercussions on mental health and intellectual and physical functioning throughout adulthood, and multiple head injuries increase the risks of later problems, according to one of the largest, most elaborate studies to date of the impacts of head trauma on the young.
http://mobile.nytimes.com/2016/10/05/well/move/a-single-concussion-may-have-lasting-impact.html?emc=edit_tnt_20161006&nlid=72841338&tntemail0=y&referer=