The standard BMI 18.5–24.9 range comes from studies on middle-aged adults. Data on adults 65+ points to a higher healthy zone.
Meta-analyses find the lowest mortality for older adults at BMI 23–29. Underweight becomes riskier than mild overweight after 65.
A small reserve helps recovery from illness, surgery, and falls.
Grip strength and gait speed predict outcomes better than BMI in this age group. Strength training and protein come first.
Get an age-adjusted target zone.
Ideal Weight by Age →
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