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Study links veterans' traumatic brain injuries to Alzheimer's
Study links veterans' traumatic brain injuries to Alzheimer's

A new study of nearly 200,000 older military veterans has found that those with traumatic brain injuries are 60% more likely to develop Alzheimer's disease or other forms of dementia. The study, published online Wednesday in the journal Neurology, adds to a growing body of evidence that traumatic brain injuries, or TBIs, can have a wide range of consequences long after a patient appears to recover. But the study did not answer the key question of whether the risk of dementia is elevated in cases of mild brain trauma — a common injury from roadside bombs in Afghanistan and Iraq as well as in football and other contact sports. "It's still controversial," said Donald Stein, a brain injury...

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