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Study suggests not all obesity means ill-health

Researchers said waist measures and organ dysfunction identify higher-risk patients better, with only about 27% of obesity cases classified as clinical.

  • A new study published Wednesday in the journal Nature proposes replacing BMI with a framework combining BMI and waist measurements, arguing this method better reflects death risk than BMI alone.
  • Professor Francesco Rubino of King College London stated BMI is a uniform tool that fails to indicate if individuals are actually ill, noting it "doesn't tell you anything about body fat content."
  • Analyzing 844,108 adults, the study revealed "hidden obesity" affects up to 8.6% of people, while clinical obesity carries a 69% higher death risk than those without obesity or organ dysfunction.
  • The framework categorizes patients into clinical and preclinical obesity groups to enable individualized treatment; Professor Rubino said this "makes personalised, proportionate care possible" by matching intensity to individual risk.
  • Last year, a Lancet Diabetes and Endocrinology Commission proposal first suggested these diagnostic changes, which could prevent overtreatment or undertreatment for the billion-plus people affected by weight issues.
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21 Articles

Lean Right

Those who want to know whether they are overweight or even obese should not only determine their body mass index, because this alone is too inaccurate. Therefore, additional simple measurements are recommended.

·Vienna, Austria
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Center

New scientific study recommends combining body mass index with other measures such as waist circumference to better diagnose obesity Assess obesity beyond the index

·France
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Lean Right

PBXStudio - stock.adobe.com Measuring where fat is in the body and if it already affects the organs identifies more people with obesity than the calculation of weight and height used today, the body mass index (BMI). A study published on Wednesday (11) in Nature magazine, with 844,108 adults from China, the United Kingdom, the United States and Spain, showed that the diagnosis increased between 3.3% and 7.4% when this information was added to th…

·Rio de Janeiro, Brazil
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Lean Left

An international study shows that, if the waist is measured in addition to the body mass index, one quarter of the population suffers from this condition.

·Madrid, Spain
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Center

Science Writing, Nov 11 (EFE).- Scientists from several research centers have concluded that the Body Mass Index (BMI) is insufficient to properly assess the health risks associated with excess weight. And they have raised, to solve the deficiencies of that value, to combine BMI assessments with the analysis of circumference [...] The entry The body mass index is insufficient to evaluate obesity, according to scientists was first published in Ho…

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Nature broke the news in London, United Kingdom on Wednesday, November 11, 2026.
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