TY - JOUR T1 - Health advocates working to prevent athlete concussions: Student, professional players at risk JF - The Nation's Health JO - Nations Health SP - 1 LP - 16 VL - 45 IS - 8 AU - Lindsey Wahowiak Y1 - 2015/10/01 UR - http://www.thenationshealth.org/content/45/8/1.3.abstract N2 - NFL rookie chris borland made headlines this spring when the San Francisco 49ers linebacker announced he was quitting professional football after just one season, citing his concerns about the potential health risks of repetitive head injuries. ER -