What is a concussion and how does it happen? What kind of effect does a concussion have on a person's mental and physical health? Learn all about concussions with a FREE webinar hosted by concussion expert Kevin Crutchfield, M.D., on May 30 at 6:30 p.m. During the webinar Dr. Crutchfield will address many common concussion questions, and he'll show you how to raise awareness about this condition. A laptop or personal computer with Internet access is required. To register, go to lifebridgehealth.org/concussionwebinar or call 410.601.WELL.