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Metabolically healthy obesity (MHO) is common, but the reasons for its protective metabolic profile are unclear. Further research is needed to understand MHO

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Area of Science:

  • Endocrinology
  • Metabolic Health
  • Obesity Research

Background:

  • Obesity is a major health issue impacting quality of life.
  • Metabolically healthy obesity (MHO) describes obese individuals with normal metabolic profiles.
  • The factors protecting MHO individuals remain poorly understood.

Purpose of the Study:

  • To review factors associated with uncomplicated severe obesity.
  • To identify mechanisms by which MHO individuals avoid metabolic complications.
  • To explore the long-term prognosis of MHO.

Main Methods:

  • PubMed database search.
  • Keywords: Metabolically healthy obese, insulin resistance, uncomplicated obesity.
  • Literature review of factors in MHO.

Main Results:

  • Reviewed factors contributing to severe obesity without complications.
  • Identified potential mechanisms for metabolic protection in MHO.
  • Highlighted the lack of understanding regarding MHO's long-term outcomes.

Conclusions:

  • Visceral fat is key to insulin resistance and cardiovascular risk.
  • It is unknown if MHO has genetic factors or if it progresses to metabolic syndrome.
  • Prophylactic bariatric surgery may be considered for MHO.