Since Alzheimer's disease and dementia are progressive diseases and not temporary conditions, "a finding that statins are not associated with a risk for dementia, Alzheimer's disease or any decline [in thinking ability] would not necessarily conflict with the current labeling of statins," Liscinsky said.
This latest review should be reassuring to the approximately 30 million people in the United States taking statins, deGoma said. "I do not think mental impairment should be a significant concern with statin use," he said.
At the same time, the researchers would like to see more randomized trials conducted to confirm their findings.
Visit the U.S. National Library of Medicine for more on statins.
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