As the obesity epidemic continues to escalate, leading experts are advocating for a nuanced redefinition of obesity that transcends the conventional reliance on Body Mass Index (BMI) as a diagnostic tool.
Revisiting Obesity: Experts Call for a Nuanced Definition of the Condition

Revisiting Obesity: Experts Call for a Nuanced Definition of the Condition
A global report emphasizes the need for a more comprehensive approach to diagnosing obesity beyond the traditional BMI measure.
This call for change, as outlined in a report published in The Lancet Diabetes & Endocrinology, is based on insights from over 50 medical professionals worldwide.
The current categorization of obesity primarily focuses on BMI, a metric that does not consider an individual’s overall health status or specific fat distribution in the body. For patients showing chronic illnesses related to high body fat, the report suggests a classification of "clinical obesity," while those without health issues should be deemed as having "pre-clinical obesity."
Professor Francesco Rubino, who led the committee behind the report, indicated that "Obesity is a spectrum," emphasizing that while some individuals may manage their daily lives effectively despite having excess body fat, others may face significant health challenges.
Doctors are encouraged to evaluate patients holistically, assessing how fat affects organ function and daily activities, such as the presence of heart disease, joint pain, or other metabolic disorders, instead of simply assigning a numerical value.
At present, guidelines dictating the availability of weight-loss drugs like Wegovy and Mounjaro often restrict prescriptions to those with a BMI above 30 and a weight-related health condition. However, experts argue that this approach neglects the complexities of individual health experiences, treatment needs, and possibilities of early intervention for those in the "pre-clinical obesity" category.
In light of the growing prescription of obesity-related medications, this redefined understanding could lead to more tailored treatments, including lifestyle counseling and monitoring for individuals at risk but not yet afflicted by chronic health issues.
The Royal College of Physicians has expressed support for this robust reclassification, stating it could equip healthcare systems to address obesity more effectively, while also raising concerns about resource allocation that may prioritize those classified as "clinically obese."
As the medical community grapples with funding constraints, it underscores the urgency of reevaluating obesity care to ensure equitable access and treatment for all affected individuals while fostering a clearer understanding of this complex health challenge.
The current categorization of obesity primarily focuses on BMI, a metric that does not consider an individual’s overall health status or specific fat distribution in the body. For patients showing chronic illnesses related to high body fat, the report suggests a classification of "clinical obesity," while those without health issues should be deemed as having "pre-clinical obesity."
Professor Francesco Rubino, who led the committee behind the report, indicated that "Obesity is a spectrum," emphasizing that while some individuals may manage their daily lives effectively despite having excess body fat, others may face significant health challenges.
Doctors are encouraged to evaluate patients holistically, assessing how fat affects organ function and daily activities, such as the presence of heart disease, joint pain, or other metabolic disorders, instead of simply assigning a numerical value.
At present, guidelines dictating the availability of weight-loss drugs like Wegovy and Mounjaro often restrict prescriptions to those with a BMI above 30 and a weight-related health condition. However, experts argue that this approach neglects the complexities of individual health experiences, treatment needs, and possibilities of early intervention for those in the "pre-clinical obesity" category.
In light of the growing prescription of obesity-related medications, this redefined understanding could lead to more tailored treatments, including lifestyle counseling and monitoring for individuals at risk but not yet afflicted by chronic health issues.
The Royal College of Physicians has expressed support for this robust reclassification, stating it could equip healthcare systems to address obesity more effectively, while also raising concerns about resource allocation that may prioritize those classified as "clinically obese."
As the medical community grapples with funding constraints, it underscores the urgency of reevaluating obesity care to ensure equitable access and treatment for all affected individuals while fostering a clearer understanding of this complex health challenge.