Sam, 17, at home in Abervan (Wales). The image is taken from Abbie Trayler-Smith's series on teenage obesity, 'The Big O.' ABBIE TRAYLER-SMITH/PANOS Is obesity a disease? How could it be better ...

A BMI of 30 or higher is considered obese, while a BMI of 40 or above is considered severely obese. “BMI-based measures of obesity can both underestimate and overestimate [the amount of fat ...

A commission proposed a new definition of obesity focused on how excess fat affects the body, rather than assessing body mass index, that could change clinical care.

(CNN) — For years, medical experts have defined obesity primarily based on body mass index, which measures stored fat by calculating height and weight, to determine a person’s health risks.

Part of the issue is the current definition of BMI, with a value of over 30 indicating obesity among people of European descent. Country-specific cutoffs help account for how obesity risk changes ...

Being obese at the time of MGUS diagnosis was associated with a 27% increase in the risk of progression to MM.

Is obesity a risk factor or a disease? This debate shapes treatments, policies, and eating disorder care. Explore its impact ...

New recommendations on how to define obesity would reduce the emphasis on body mass index and also take into account health ...

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As BMI is increasingly recognized as an imperfect way to measure health, UVA researchers share other metrics they rely upon.