More than 75% of US adults may meet criteria for obesity under new definition: Study [View all]
Source: The Guardian
December 29, 2025, 1:23 PM
A new definition of obesity could nearly double the prevalence of U.S. adults with the condition, according to a study published Monday.
For decades, doctors have relied on body mass index (BMI) -- a tool that uses height and weight to estimate body fat -- to determine obesity.
A team of researchers from Beth Israel Deaconess Medical Center, Harvard University, Yale University and Yale New Haven Health, found that BMI alone may significantly underestimate how many U.S adults have obesity.
Using a new definition that includes waist-based measurements, the team found that more than 75% of adults may meet criteria for obesity compared to 40% when using BMI alone.
Read more: https://abcnews.go.com/Health/75-us-adults-meet-criteria-obesity-new-definition/story?id=128747616
Link to JAMA study
PUBLICATION -
Body Mass Index and Anthropometric Criteria to Assess Obesity