MRI scans show exercise can make the brain look younger
Summary
ScienceDaily reports a randomized trial showing that a year of regular aerobic exercise can biologically age the brain younger, with brain-PAD about 0.6 years lower in the exercise group versus controls. The study in adults aged 26–58 used MRI-based brain age estimates; while the effect is modest, it suggests midlife exercise may benefit long-term brain health.