Across
- 4. a traumatic injury caused when the brain bounces and twists inside the rigid skull after a hard hit
- 5. even when the blows to the head don't meet the criteria for a full concussion, they may still pose a threat to this vital organ
- 6. when individual neurons are stretched and brain chemistry goes awry, victims "see" them
Down
- 1. How many fewer concussions were recorded in 2018 compared to 2017?
- 2. the adjective describes the very complex and powerful organ in your head
- 3. stricter consequences for dangerous football hits have been introduced by the NFL