



For many professional football players suffering a concussion is just part of the game. Active players are highly susceptible and may suffer one, even multiple blows to the head through their careers, some of which could render them unconscious.
Until recently, the best medical definition for concussion was a jarring blow to the head that temporarily stunned the senses, occasionally leading to unconsciousness. It has been considered an invisible injury, impossible to test -- no MRI, no CT scan can detect it.
Until now...
A recent article published by CNN.com reports that:
By using tissue from retired NFL athletes culled posthumously, the Center for the Study of Traumatic Encephalopathy (CSTE) is shedding light on what concussions look like in the brain. The findings are stunning. Far from innocuous, invisible injuries, concussions confer tremendous brain damage. That damage has a name: chronic traumatic encephalopathy (CTE).
CTE has thus far been found in the brains of five out of five former NFL players. On Tuesday afternoon, researchers at the CSTE will release study results from the sixth NFL player exhibiting the same kind of damage.
"What's been surprising is that it's so extensive," said Dr. Ann McKee, a neuropathologist at the Veterans Administration Hospital in Bedford, Massachusetts, and co-director of the CSTE. "It's throughout the brain, not just on the superficial aspects of the brain, but it's deep inside."
CSTE studies reveal brown tangles flecked throughout the brain tissue of former NFL players who died young -- some as early as their 30s or 40s.
McKee, who also studies Alzheimer's disease, says the tangles closely resemble what might be found in the brain of an 80-year-old with dementia.
"I knew what traumatic brain disease looked like in the very end stages, in the most severe cases," said McKee. "To see the kind of changes we're seeing in 45-year-olds is basically unheard of."
The damage affects the parts of the brain that control emotion, rage, hypersexuality, even breathing, and recent studies find that CTE is a progressive disease that eventually kills brain cells.
The article also highlights the stories of two professional athletes who suffered concussions while playing sports - Ted Johnson, a retired NFL player and three-time Super Bowl champion, and Chris Nowinski, a former wrestler for the World Wrestling Entertainment.
Both of these men have experienced the backlash of suffering multiple blows to the head - depression, sleep disorders, constant headaches, and memory problems.
After a series of fruitless doctors' visits, Nowinski conducted his own research on the topic and found that there was plenty of evidence that connected his symptoms back to the concussions he'd experienced earlier in life.
The little known long-term effects of concussion is what prompted Nowinski to form the Sports Legacy Institute along with Dr. Robert Cantu, a neurosurgeon and co-director of the Neurologic Sports Injury Center at Brigham and Women's Hospital in Boston. The project solicits for study the brains of ex-athletes who suffered multiple concussions.
Once a family agrees to donate the brain, it is delivered to scientists at the CSTE to look for signs of damage.
"Really my main reason even for talking about this is to help the guys who are already retired," said Johnson. "[They] are getting divorced, going bankrupt, can't work, are depressed, and don't know what's wrong with them. [It is] to give them a name for it so they can go get help."
"The idea that you can whack your head hundreds of times in your life and knock yourself out and get up and be fine is gone," said Nowinski. "We know we can't do that anymore. This causes long-term damage."
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