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While much attention in the NFL has focused on limiting or treating concussions, the latest medical research indicates that the brain damage in CTE is caused by the cumulative impact of all collisions involving a player's head, [3] [4] which confirms what was generally known nearly a century ago but was then largely forgotten. [5]
Concussions and play-related head blows in American football have been shown to be the cause of chronic traumatic encephalopathy (CTE), which has led to player deaths and other debilitating symptoms after retirement, including memory loss, depression, anxiety, headaches, stress, and sleep disturbances.
On February 9, 2016, Daniel Bryan was forced to retire early due to signs of CTE and post-concussion seizures. [81] He was medically cleared to wrestle again on March 20, 2018. [82] After their deaths in February and April 2016 respectively, former ECW wrestlers Axl Rotten and Balls Mahoney were found to have had CTE. [83]
A concussion is a mild traumatic brain injury usually “caused by a bump, blow or jolt to the head or by a hit to the body that causes the head and brain to move rapidly back and forth ...
The Centers for Disease Control and Prevention defines a concussion as a type of traumatic brain injury caused by a bump, blow or jolt to the head or body. ... people suffer concussions, but many ...
The study found that, as reported by athletic trainers, college football players sustain 6.3 concussions for every 10,000 athletic exposures (meaning an individual practice or game), and the rate for high school football players is 11.2. The high school concussion figure is nearly double that of the next-highest sport, lacrosse. The study ...
While the causes for Parkinson's are largely unknown, a 2020 study revealed a link between concussions and brain and neurological diseases like Parkinson's and dementia.
Also in 2010, MLS player Taylor Twellman, who had to retire from the New England Revolution because of post-concussion symptoms, agreed to donate his brain upon his death. As of 2010, the VA-BU-CLF Brain Donation Registry consists of over 250 current and former athletes.