Key result
Metabolically healthy obesity is a dynamic and often transient condition lacking a standardized definition, with many individuals eventually developing increased cardiometabolic risk.
Metabolically healthy obesity is not a benign or static condition, highlighting the need for standardized definitions and continued monitoring for cardiovascular and metabolic risks.
Obesity is associated with a reduced life expectancy, largely because obese individuals are at an increased risk of type 2 diabetes, cardiovascular disease, and several types of cancer. Much interest has recently focused on the concept of "all obesity is not created equally." Obese individuals without the metabolic abnormalities that commonly accompany excess adiposity, a condition known as metabolically healthy obesity (MHO), account for a substantial proportion of the obese adult population. Numerous possible mechanisms underlying MHO have been suggested, including adipose tissue distribution and inflammation. However, the prognostic value of MHO is controversial and considerably challenging. The lack of a standard definition for metabolic health and obesity as well as the dynamic properties of MHO may have contributed to these inconsistent results. This review aimed to present several current issues regarding MHO including its definition, epidemiology, natural course, suggested mechanisms, and clinical implications in the context of patient prognosis.
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Jung et al. (2017) conducted a review in Metabolically healthy obesity. Metabolically healthy obesity vs. Metabolically unhealthy obesity or normal weight was evaluated. Metabolically healthy obesity is a dynamic and often transient condition lacking a standardized definition, with many individuals eventually developing increased cardiometabolic risk.
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