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flag Higher muscle and lower belly fat link to younger brain age, lowering dementia risk, study finds.

flag A new study of 1,164 adults links higher muscle mass and lower visceral fat—deep abdominal fat—to younger brain age, as measured by AI analysis of MRI scans. flag Researchers at Washington University School of Medicine found that a higher visceral fat-to-muscle ratio correlated with older brain age and increased dementia risk, while subcutaneous fat showed no significant effect. flag The findings suggest maintaining muscle and reducing hidden belly fat may slow brain aging and lower neurodegenerative disease risk, highlighting body composition as a key health indicator beyond BMI.

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