The metabolic consequences of childhood obesity

Ram Weiss1, Sonia Caprio

  • 1Department of Pediatrics and the Children's General Clinical Research Center, Yale University School of Medicine, P.O. Box 802064, New Haven, CT 06520, USA. sonia.caprio@yale.edu

Insights

Childhood obesity is rising globally, leading to early impaired glucose tolerance (IGT) and insulin resistance in young people. These metabolic issues contribute to metabolic syndrome, increasing long-term health risks.

Area of Science:

  • Pediatrics
  • Metabolic Disorders
  • Public Health

Background:

  • Childhood obesity prevalence is increasing worldwide.
  • Obesity is associated with co-morbidities, including altered glucose metabolism.
  • Impaired glucose tolerance (IGT) and insulin resistance are early indicators in obese youth.

Purpose of the Study:

  • To examine the early metabolic alterations in obese children and adolescents.
  • To understand the relationship between lipid deposition, insulin resistance, and metabolic syndrome components.
  • To highlight the early presence of metabolic syndrome elements in obese youth.

Main Methods:

  • The study focuses on the clinical presentation and metabolic characteristics of obese children and adolescents.
  • It analyzes the association between lipid deposition (visceral and muscle) and peripheral insulin resistance.
  • It reviews the co-occurrence and progression of metabolic syndrome elements with increasing obesity.

Main Results:

  • Obese youth with IGT exhibit significant peripheral insulin resistance and beta-cell dysfunction.
  • Lipid deposition in muscle and visceral areas, not just overall adiposity, drives insulin resistance.
  • Dyslipidemia, hypertension, and low-grade inflammation are present in obese youngsters and worsen with obesity severity.

Conclusions:

  • Early metabolic syndrome components are evident in obese children and adolescents.
  • Insulin resistance, driven by lipid deposition, is a key factor in the metabolic syndrome of youth.
  • The long-term cardiovascular and liver health impacts of childhood obesity-related insulin resistance are a growing concern.

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