Even among experts, there is no single, universally accepted way to diagnose the condition—whether it should be based on body size, fat distribution, metabolic consequences, or some combination of all 3. [JAMA Network]

But as global prevalence continues to rise, with more than a billion people now estimated to be living with obesity, and as increasingly effective weight loss medications reshape the treatment landscape, accurate diagnosis is more important than ever. How obesity is defined can influence who qualifies for treatment, what insurers cover, and how clinicians prioritize care.

Canva image

Last year, a global commission convened by editors of The Lancet Diabetes & Endocrinology published a new diagnostic framework that moves beyond body mass index (BMI) by incorporating more refined assessments of excess adiposity and distinguishing between preclinical and clinical obesity. Rather than advancing the field toward consensus, however, the proposal has reignited debate among experts.

At the center of the discord is, interestingly, an area of agreement: a broad recognition that BMI, a metric that has been used for decades to estimate a person’s body fat based on weight and height alone, is insufficient.

Although the simplicity of BMI has cemented its position as the dominant obesity screening tool, some experts have deemed it too blunt an instrument for the examination room, where clinical care demands greater precision based on a patient’s specific profile.

More>

###