Study Results

Over the past 20 years, studies conducted on soldiers, professional athletes and head injured patients have shown long-term effects from multiple concussions or TBIs. These studies have shown that men and women with mulitple concussions ften becomes symptomatic in their 40-50s. These same people have 10 times the average rates of depression and an increased the risk for Alzheimer’s disease and  Parkinson’s disease. Chronic Traumatic Encephalopathy (CTE) is a progressive degenerative disease of the brain found in athletes (and others) with a history of repetitive brain trauma.


Permanent long-term changes that affect:

  • Thinking – memory and reasoning
  • Sensation – touch, taste and smell
  • Language – communication, expressions and understanding
  • Emotions – depression, anxiety, aggression and change in personality

Research suggests that if someone has already received one concussion, they are 1-2 times more likely to receive a second one. If they’ve had two concussions, then a third is 2-4 times more likely, and if they’ve had three concussions, then they are 3-9 times more likely to receive their fourth concussion.

Some studies have shown that females are more likely than their male counterparts to sustain a concussion, and they tend to have more symptoms and require more time to recover. Various neuroanatomical and biomechanical differences exist between the genders in sports that could contribute to these differences.

Additionally, a history of developmental disorders, psychiatric disorders, or a history of headaches or migraines can play a part in concussion recovery time. Research suggests that for every concussion, the person is 1-2 times more likely for a second; 2-4 times more likely for a third; and 3-9 times more likely for a fourth. the factors contributing to concussions and their recovery is regularly revealing new information, and it’s important that the people responsible for the health of the athletes stay up to date on the latest research on prevention and treatment.

  • CDC estimates reveal that 1.6 million to 3.8 million concussions occur each year
  • 5-10% of athletes will experience a concussion in any given sport season
  • Fewer than 10% of sport related concussions involve a Loss of Consciousness (e.g., blacking out, seeing stars, etc.)
  • Football is the most common sport with concussion risk for males (75% chance for concussion)
  • Soccer is the most common sport with concussion risk for females (50% chance for concussion)
  • 78% of concussions occur during games (as opposed to practices)
  • Some studies suggest that females are twice as likely to sustain a concussion as males
  • Headache (85%) and Dizziness (70-80%) are most commonly reported symptoms immediately following concussions for injured athletes
  • Estimated 47% of athletes do not report feeling any symptoms after a concussive blow
  • A professional football player will receive an estimated 900 to 1500 blows to the head during a season
  • Impact speed of a professional boxers punch: 20mph
  • Impact speed of a football player tackling a stationary player: 25mph
  • Impact speed of a soccer ball being headed by a player: 70mph