Cholesterol-lowering statin drugs do not provide any protection against Alzheimer's disease, according to a study conducted by researchers from the Rush University Medical Center in Chicago and published in Neurology, the journal of the American Academy of Neurology.

"This study adds to the growing evidence that statins don't lower the risk of Alzheimer's disease," lead researcher Zoe Arvanitakis said. "The study also found no association between taking statins and a slower cognitive decline among older people."

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