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Across 1. Chronic Traumatic Encephalopathy (CTE) can cause this in older athletes 3. Aiming _ _ _ _ _ with tackles will decrease the amount of concussions 5. Newer helmets are better for _ _ _ _ energy hits 8. Average number of hits high school players take to the head 11. Caused from repeated concussions to a player

Down 2. The group formed to study the long-term effects of contact on athletes 4. The effect of too much exposure to physical contact 6. The type of contact the NFL is moving to eliminate 7. Wanted to prevent _ _ _ _ _ _ _ _ _ _ _ 9. Older athletes may resort to this because of CTE 10. The percentage of NFL players whose careers last more than three seasons 12. Began improving _ _ _ _ _ _ _ for better protection