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Almost Any Physical Activity Can Make You Smarter

Exercise boosts brain power. So can dancing, gardening, brisk walks — even housework.

Robert Roy Britt
8 min readMar 29, 2019

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Yaakov Stern didn’t exercise when he was younger. But after years of studying the effects of aging on the brain, the 65-year-old Columbia University researcher has learned a few things about how exercise can improve thinking skills. As a professor of neuropsychology, Stern knew of many studies showing how regular aerobic exercise boosts brain power. But his latest research yielded two significant new findings.

In the study, 132 subjects from 20 to 67 years old who were not exercising were split into two groups. One did moderate aerobic exercise four times a week for six months, walking on a treadmill, cycling on a stationary bike or using an elliptical machine. The other group did just stretching and toning.

As in many previous studies, the exercising group improved their scores notably on tests that measured executive function, the ability to pay attention, organize and achieve goals. Also, an outer layer of their brains, called the left caudal middle frontal cortex, thickened, which is “usually taken to be a good sign” in relation to executive function, Stern said in an email.

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Robert Roy Britt
Robert Roy Britt

Written by Robert Roy Britt

Editor of Wise & Well on Medium + the Writer's Guide at writersguide.substack.com. Author of Make Sleep Your Superpower: amazon.com/dp/B0BJBYFQCB

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