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The Conversation
The Conversation
Louise Baur, Professor, Discipline of Child and Adolescent Health, University of Sydney

How we diagnose and define obesity is set to change – here’s why, and what it means for treatment

World Obesity Federation

Obesity is linked to many common diseases, such as type 2 diabetes, heart disease, fatty liver disease and knee osteoarthritis.

Obesity is currently defined using a person’s body mass index, or BMI. This is calculated as weight (in kilograms) divided by the square of height (in metres). In people of European descent, the BMI for obesity is 30 kg/m² and over.

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