A concussion is an injury to the tissue or blood vessels of the brain. Concussion is caused by a blow to the head. Concussion can happen with any head injury, often without loss of consciousness. People can also get concussions from falls, car and.
If you haven't been physically active in while, it's not too late! Here are some tips to get you started again. Being physically active will help reduce your risk of stroke, type 2 diabetes and much more.