Regular aerobic exercise slows a key marker of brain aging in midlife

https://www.news-medical.net/news/20260122/Regular-aerobic-exercise-slows-a-key-marker-of-brain-aging-in-midlife.aspx A year of consistent aerobic activity didn’t just boost fitness; it shifted MRI-based brain age in early to midlife adults, suggesting exercise may help preserve brain health long before old age.