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Researchers have tested both approaches and found that one is superior. michaeljung / Shutterstock.com
Adults with mild cognitive impairment may be able to boost their brain power by working on crossword puzzles, according to a recent study. Researchers at Columbia University and Duke University found that older participants — with an average age of 71 — who were trained to complete computerized crossword puzzles showed bigger cognitive improvement compared with those who were trained to use web…