Concussions could cause Alzheimer's: Researchers find cleare
Concussions drastically increase one's risk of developing Alzheimer's disease, new research shows.
Scans performed on wounded war veterans have revealed the clearest evidence to date that mild head injuries wear down the defenses of brain regions vulnerable to the disease.
Until now, doctors considered severe traumatic brain injury a key risk factor for developing neurodegenerative diseases such as late-onset Alzheimer's.
But this is the first study to prove even lower impact like concussion could have life-threatening consequences.
The findings come amid a surge in studies investigating the prevalence of concussions in the National Football League and high school sports.

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