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The fountain of youth may be all in your head
One of Nintendo's best-selling video games of 2006 wasBrain Age. Designed for the Nintendo DS system, Brain Age is a single-player game that purports to "train your brain in minutes a day," based on the scientific evidence of neuroscientist Ryuta Kawashima.
Kawashima found that certain activities, such as puzzles, logic games, and reading exercises, stimulate a player's brain and strengthen overall acuity. The activities also improve function-much like lifting weights would strengthen any other of your muscles-staving off the effects of aging, according to the Nintendo Web site.