EDUCATION RESOURCES: NGSS Standards: LS What happens to your brain when you get a concussion? It's common to get hit in the head when you play rough or risky sports. Everyone knows a concussion makes you woozy for a while. But the impacts of repeated concussions can last much longer. American football players have helped scientists unravel a mystery that could change the way that sports are played. Repeated concussions can trigger a brain disease called Chronic Traumatic E