Should I take a multivitamin or other nutrition supplement?
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Participants in both studies, average age 72, were assigned to take either a standard multivitamin or a placebo. Their cognition and memory were tested at the study's start and again three years later. In one study, cognitive fitness scores were higher in those taking the multivitamin compared with those taking a placebo. In the other study, multivitamin takers scored higher on memory tests.
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About the Author

Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing
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