25-year-old Lions running back says he’s spending his offseason doing medical research on rats because it’s good ‘for the brain’ | International News Live Blog

https://internationalnewsliveblog.wordpress.com/2017/01/18/25-year-old-lions-running-back-says-hes-spending-his-offseason-doing-medical-research-on-rats-because-its-good-for-the-brain/

Zach Zenner put off medical school to pursue an NFL career, but he’s spending his offseasons building his resume for after football. http://internationalnewslive.com/25-year-old-lions-running-back-says-hes-spending-his-offseason-doing-medical-research-on-rats-because-its-good-for-the-brain/