Story perspectives

U.S. Adult Obesity Soars to 68.6% Under New Criteria

10/15/2025

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Summary

Story summary

Mass General Brigham researchers report U.S. adult obesity rose from 42.9% to about 68.6% under a new fat distribution definition.
The definition classifies obesity as high BMI with one elevated anthropometric measure, or normal BMI with two elevated measures.
Nearly 80% of adults over 70 are classified as obese under the new criteria.
Researchers call for more study of treatments, especially for anthropometric-only obesity with higher health risks.

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Story summary

Mass General Brigham researchers report U.S. adult obesity rose from 42.9% to about 68.6% under a new fat distribution definition.
The definition classifies obesity as high BMI with one elevated anthropometric measure, or normal BMI with two elevated measures.
Nearly 80% of adults over 70 are classified as obese under the new criteria.
Researchers call for more study of treatments, especially for anthropometric-only obesity with higher health risks.