Are twins affected similarly in the development of childhood obesity?

Updated: Feb 20, 2019
  • Author: Steven M Schwarz, MD, FAAP, FACN, AGAF; Chief Editor: Jatinder Bhatia, MBBS, FAAP  more...
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Answer

Concordance rates for obesity and type 2 diabetes mellitus are higher in monozygotic twins than in dizygotic twins, and measures of total body fat (TBF) correlate nearly as strongly in monozygotic twins reared apart as in monozygotic twins reared together. Still, genetic factors cannot explain the increased prevalence of obesity observed among American adolescents over the past generation.


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