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News
A tape measure might be your doctor's most underrated tool. A Rutgers Health study found that waist circumference alone is nearly as effective as complex multi-measurement frameworks for detecting obesity-related health risks — and catches cases that BMI misses. Researchers say routine waist measurements could make obesity screening simpler and more accurate in everyday clinical practice.
A tape measure might be your doctor's most underrated tool. A new study from Rutgers Health, published in JAMA Network Open, found that measuring waist circumference — on its own or combined with BMI — performs nearly as well as a more complex obesity framework that uses four different body measurements. The simpler approach could make it easier for clinicians and patients to catch obesity-related health risks earlier.
The study analyzed data from 1,900 U.S. adults (ages 20–59) from the National Health and Nutrition Examination Survey, comparing various screening methods against a highly accurate body fat measurement standard. Researchers found that BMI alone missed a significant number of people who met body-fat criteria for obesity, reinforcing longstanding concerns about over-relying on it.
Key Takeaways:
Why it matters: Where fat is stored in the body matters for health outcomes like diabetes, heart disease, stroke, and some cancers. A simple waist measurement could make obesity screening more practical and accessible — and may soon shape future clinical guidelines.
