Study: Brain Injury May Boost Risk of Alzheimer’s Earlier in Life

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Concussions and other traumatic brain injuries may increase the risk of developing Alzheimer’s disease earlier in life, according to a study from UT Southwestern’s Peter O’Donnell Jr. Brain Institute.

The research – the first to use autopsy-confirmed cases of Alzheimer’s disease to examine the long-term effects of head injuries – supports a correlation that could only be speculated about in previous studies, which lacked definitive diagnostic methods.

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An analysis of more than 2,100 cases found that people who sustained traumatic brain injury (TBI) with loss of consciousness greater than five minutes were diagnosed with dementia on average 2 1/2 years earlier than those who had not experienced TBI.

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