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Why Does Traumatic Brain Injury Increase Dementia Risk?

Why Does Traumatic Brain Injury Increase Dementia Risk?

Evidence indicates that having a traumatic brain injury greatly increases the risk of developing dementia, but the link between these two conditions has been unclear. Now a new study in the March 2016 issue of Neurology has found a possible explanation: It appears that the brains of people with traumatic brain injury have increased levels of the same amyloid plaque that characterizes the brains of people with Alzheimer’s disease.

This finding suggests that traumatic brain injury may lead to the deposition of the beta-amyloid protein in their brains and that this triggers…

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