Head Trauma Linked to Alzheimer’s Disease Plaques

A study indicates a history of concussion, including at least one momentary loss of consciousness, may increase the risk of Alzheimer's disease by contributing to the build-up of Alzheimer's-associated plaques in the brain.Researchers at Mayo Clinic in Rochester, Minnesota conducted brain scans of 448 people without any thinking or memory problems and 141 individuals with mild cognitive difficulties. All the participants were 70 or older.Each group was asked whether they had...

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