Multiple concussions in a lifetime were shown to affect the ability to plan and pay attention, though research also underlined health benefits of playing sport
about sporting organisations’ management of player concussions and the effects of long-term exposure to heavy knocks that may not result in a clinical diagnosis of concussion but still cause damage to the brain.
A large and growing body of scientific evidence has shown links between repeated exposure to head injury and sub-concussive blows in contact sports and the neurodegenerative disease chronic traumatic encephalopathy , which has beenLennon’s research found that while people who had experienced repeated concussions had measurably worse cognitive performance, the differences were not drastic.
“What that tells us is that even if you have been concussed the benefits of playing sport, particularly as a young person, outweigh the risks to your long-term cognition,” Lennon said. “That makes sense when we look at the overall data because we know that blood pressure, high cholesterol, diabetes … they’re all really significant risks to our cognitive health.”
Lennon’s research did not investigate CTE or the cumulative effect of exposure to sub-concussive blows. The paper argued, however, that given the “hotly debated” issue of when people ought to stop participating in higher-risk activities, such as contact sports, the finding that three or more concussions caused long-term cognitive deficit offered a benchmark.Our Australian afternoon update email breaks down the key national and international stories of the day and why they matterNewsletters may contain info about charities, online ads, and content funded by outside parties.
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