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The Independent UK
The Independent UK
National
Storm Newton

BMI may be misdiagnosing body weight in people, study warns

  • A study by Italian researchers suggests the Body Mass Index (BMI) system may frequently misdiagnose individuals as overweight or obese.
  • The research compared BMI measurements with more accurate dual-energy X-ray absorptiometry (DXA) scans in 1,351 adults.
  • Findings revealed that over a third of patients classified as obese by BMI were actually overweight, and more than half of those labelled overweight were misclassified.
  • Specifically, three-quarters of the misclassified overweight patients were found to be of normal weight when assessed by DXA scans.
  • Researchers recommend that healthcare professionals should not rely solely on BMI, suggesting it be combined with other measures like body fat percentage or waist circumference.

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