by Denise Mann

“Sustaining just one head injury may up your chances of developing dementia decades later by 25%, and this risk increases with each subsequent head injury, new research suggests.

“‘Head injury is not the only risk factor for dementia as high blood pressure and diabetes, among others, also contribute significantly to dementia risk, but head injury is one risk factor for dementia that is modifiable by behavioral changes such as wearing helmets and seat belts,’ said study author Dr. Andrea Schneider. She’s an assistant professor in the neurology department at the University of Pennsylvania School of Medicine.

“Dementia is an umbrella term for a group of diseases, including Alzheimer’s disease, that affect thinking ability, memory and/or other cognitive functions.

“Exactly how head injury may lead to dementia is not fully understood yet, Schneider said.”

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