A concussion is defined as a "mild traumatic brain injury that affects brain function." The person can lose consciousness, but that doesn't happen in all concussions. Any time you are dealing with ...

Tua Tagovailoa left the Dolphins Week 4 game on a stretcher with a head and neck injury. After Tagovailoa hit the ground, his hands stiffened in an unnatural position. Neurologist and concussion ...