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Overview
Research shows that health risks associated with excess body fat occur at different BMI values across ethnic groups. A BMI of 25 carries different risks depending on ancestry.
The Formula
Standard cut-offs: Overweight โฅ25, Obese โฅ30 | Asian adjusted: Overweight โฅ23, Obese โฅ27.5
Standard formula used by professionals worldwide
Worked Example
Step-by-step
South Asian person at BMI 24 may have same metabolic risk as a European person at BMI 27
Key Points
- Accuracy: Results are as accurate as the inputs you provide
- Units: Always use consistent units throughout your calculation
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Frequently Asked Questions
Which ethnic groups have lower risk thresholds?
South Asian, East Asian, and Pacific Islander populations show higher metabolic risk at lower BMIs.
Does this affect the UK/US medical guidance?
WHO has issued guidance for Asian populations but many national guidelines still use 25/30 cut-offs.
Is waist measurement more universal?
Waist circumference is less affected by ethnicity than BMI. Often used alongside BMI in clinical settings.
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