According to the Centers for Disease Control and Prevention, concussions or TBIs tend to occur most often during the following sports: bicycling, football, basketball, and soccer. For those aged 10-19, males were most likely to obtain TBIs during football or cycling; while among females basketball, soccer and bicycling caused the most problems.

Michigan is on its way to passing a bill to help protect young athletes.

http://www.metroparent.com/Blogs/Views-on-the-News/May-2012/Michigan-Youth-Sports-Concussion-Bill-Backed-by-Detroit-Lions/