Definition and Diagnostic Criteria of Clinical Obesity

Results: out of 3

Which of the following has historically been the primary measure used to define obesity?

Correct answer: Body Mass Index (BMI)

What is a potential limitation of using BMI alone to define obesity?

Correct answer: It does not capture whether excess body fat is causing illness

In clinical medicine, what typically distinguishes a "diagnosis" from a "risk score"?

Correct answer: A diagnosis is based on organ dysfunction and symptoms, while a risk score includes associated conditions

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Post-Questionnaire

Results: out of 3

According to the Lancet Commission, how is clinical obesity defined?

Correct answer: A chronic disease due to obesity alone, and characterised by signs and symptoms of ongoing organ dysfunction and/or reduced ability to conduct daily activities

What term is applied to individuals with excess body fat associated with variable levels of health risk, but no ongoing illness?

Correct answer: Preclinical obesity

How can establishing a clinical diagnosis of obesity help address stigma?

Correct answer: By clarifying that obesity is about measurable disease processes, not body size or appearance

Resources

• Definition and diagnostic criteria of clinical obesity. The Lancet Diabetes & Endocrinology Commission Volume 13, Issue 3 p221-262 March 2025

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