TRAUMATIC BRAIN INJURIES INCREASE DEMENTIA RISK

Apr 11, 2018

By Andy Johnson

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A large study out of Denmark is adding to evidence of a link between traumatic brain injuries and dementia later in life.

Repeated head injuries and severe head injuries posed the greatest danger in a study involving almost 3,000,000 people in Denmark.

Overall, the risk was small; about 95% of people with a brain injury never developed dementia.  But the study found a single severe brain injury increased the risk of later dementia by 35% compared with a person who never had a brain injury.  A mild brain injury increased the risk by 17%.

The lead researcher concludes the findings show that each additional brain injury does add to the danger.

The research is published in the journal “Lancet Psychiatry.”

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