The researchers found that engaging in as little as 35 minutes of moderate to vigorous physical activity per week, compared to zero minutes per week, was associated with a 41% lower risk of developing dementia over an average four-year follow-up period.

https://publichealth.jhu.edu/2025/small-amounts-of-moderate-to-vigorous-physical-activity-are-associated-with-big-reductions-in-dementia-risk?fbclid=IwY2xjawImo4NleHRuA2FlbQIxMQABHQ67ve_lGv3GBWBfJ5BhyiSyrUDp621ksFtmMVhOpm0MxT2P-tFxmcPwmQ_aem_WyLyjoBxRqKG0AnvON1XSw&sfnsn=mo