Exercise & MobilitySubscriber Only Physical Activity and Brain Health Research suggests that being more active may help to keep the brain healthy. Published: September 10, 2019 Updated: February 6, 2020 0 Facebook Twitter Google+ Pinterest WhatsApp Our brains tend to shrink as we age, and this brain atrophy is associated with cognitive decline and dementia. Research suggests that being more physically active may slow mental decline, in addition to slowing physical decline. To continue reading this article you must be a paid subscriber Subscribe Subscribe to Tufts Health & Nutrition Get the next year of Tufts Health & Nutrition for as little as $18. And access all of our back issues and online content free of charge. Subscribe today and save 36% off the regular rate! Already Subscribed? Click Here to Sign In | Forgot your password?