A concussion is bother very basic and highly complicated.
A concussion is caused when your brain hits the wall of your skull as the result of a blow to the head. This sudden movement can cause brain cells to stretch and/or tear.
Once this happens the brain goes into a “hypermetabolic state’; this means that your metabolic activity speeds up then slows down causing decreased blood flow in the brain leading to decreased glucose – the cause of the tiredness in concussion sufferers.
- Headache, mild to severe
- Loss of consciousness
- Ears ringing
- Slurred speech