Three months after their injuries, 30 to 80 percent of players continue to have post-concussion symptoms.

These can include:

• Headache
• Fuzzy or blurry vision
• Nausea or Vomiting
• Dizziness
• Balance Problems
• Sensitivity to noise, light
• Difficulty falling asleep
• Sleeping more or less than normal
• Hard to think clearly
• Feeling slowed down
• Hard to concentrate
• Hard to remember new information

The more concussions sustained over the course of a lifetime can lead to lasing and progressive impairments, including CTE.

• Post-concussion Syndrome
• Encephalopathy
• Dementia
• Alzheimer’s Disease
• ALS (Lou Gehrig’s Disease)
• CTE

Brain injuries: signs and symptoms, recognition and treatment