It's time to rethink the old stereotype of the dumb, brain-dead weightlifting enthusiast. A plethora (hat tip to SAT prep) of research suggests that exercise, especially of the high intensity variety, can help promote the growth of new brain cells via BDNF. On this Quick Fit Tip episode I talk about how exercise can help make you smarter and reduce the risk of the cognitive decline that can often accompany aging. 

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