00:00It's the three-strike rule. That's what a new study says when it comes to concussions.
00:04New research suggests recurring mild head injuries can stock up to serious neurological issues.
00:11A number of studies of young athletes have found that individuals who had suffered either more than two or more
00:17than three mild traumatic brain injuries had significantly worsened cognitive outcomes.
00:23The findings, published in the Journal of Neurotrauma, are part of the PROTECT study.
00:27Launched in November 2015, it is an ongoing online investigation of 50- to 90-year-old individuals and looks
00:35at risk factors for cognitive decline.
00:38The study also showed the lasting effects of brain injury can worsen over time.
00:43Quote, we know that head injuries are a major risk factor for dementia, and this large-scale study gives the
00:49greatest detail to date on a stark finding.
00:52The more times you injure your brain in life, the worse your brain function could be as you age, unquote,
00:59said researcher Dr. Vanessa Raymond.
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