Blood pressure-lowering beta blockers could cut the risk of brain changes associated with Alzheimer's disease and other types of dementia, according to a study to be presented at the annual meeting of the American Academy of Neurology in March. "Levels of the Alzheimer lesions were about half or less in persons receiving beta blockers, compared with persons whose hypertension was untreated," researcher Dr. Lon White said. Beta blockers seemed to lower risk of the lesions better than other blood pressure drugs.

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