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Learning new skills keeps an aging mind sharp

Older adults are often encouraged to stay active and engaged to keep their minds sharp, that they have to "use it or lose it." But new research indicates that only certain activities -- learning a mentally demanding skill like photography, for instance -- are likely to improve cognitive functioning. These findings reveal that less demanding activities, such as listening to classical music or completing word puzzles, probably won't bring noticeable benefits to an aging mind.
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