Genetics and Obesity

Genetics and Obesity Photo Science shows that genetics act a part in obesity. Genes can directly source obesity in disease like Bardet-Biedl disorder and Prader-Willi disorder. However genes do not consistently foresee future health. Genes and habits may both be required for an individual to be obese. Like many other medical conditions, obesity is the result of interplay between environmental and genetic factors. Studies have identified variants in several genes that may contribute to weight gain and body fat distribution; although, only in a few cases are genes the primary cause of obesity. Polymorphisms in various genes controlling appetite and metabolism predispose to obesity under certain dietary conditions. The percentage of obesity that can be attributed to genetics varies widely, depending on the population examined, from 6% to 85%.As of 2006, more than 41 sites on the human genome have been linked to the development of obesity when a favourable environment is present. The involvement of genetic factors in the development of obesity is estimated to be 40–70%. 
  • Hereditary
  • Environmenta factors
  • Family History
  • Congruence of Monozygotic twins
  • Genetic Mutations
  • Mutation of Distinct Genes
  • Obesity Phenotypes

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