MRI scans show exercise can make the brain look younger: Study

Summary

A year-long study shows that regular aerobic exercise can reduce brain age, with MRI scans indicating brains look nearly a year younger in adults who maintained a consistent exercise routine compared to those who did not.

Key Points
  • Regular aerobic exercise for one year can make the brain appear nearly a year younger as measured by MRI scans.
  • The study involved 130 adults aged 26 to 58 in a controlled trial comparing exercise to usual care.
  • Brain-predicted age difference (brain-PAD) dropped by about 0.6 years in the exercise group, while the control group saw a slight non-significant increase.
  • The mechanisms behind the brain age reduction remain unclear, with factors like fitness improvements not fully explaining the change.
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