Instead of using the controversial body mass index, or BMI, to assess weight, an international group of scientists proposes an approach that looks at how excess body fat affects health

When the issue is obesity, the questions are many, and the routes to answers anything but straight. What is abundantly clear is a need for consensus on two foundational matters: What is a useful definition for obesity?

A global group of experts has suggested a new approach to diagnosing and treating obesity that does not rely solely on the much-contested body mass index (BMI).

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