August 11, 2014 7:30 pm What You Need to Know About Concussions Dr. Bruce Hensel has what you need to know about student-athlete concussions and how to reduce the risk of getting injured for NBC4 News at 6 p.m. Monday, Aug. 11, 2014. US & World Videos 1:57 Hazmat team responds after two people are found dead in Northridge 1:04 Homeboy Industries founder Father Gregory Boyle receives nation's highest honor 5:46 NewsConference: Why the political silence during the campus chaos? 5:33 NewsConference: Professors protecting their students 8:06 NewsConference: After campus conflict, what is next?