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Early childhood — a critical period for obesity prevention

Nature Reviews Endocrinologyvolume 15pages56 (2019) | Download Citation

In a longitudinal study that tracked BMI from early life, most children with obesity at age 3 years had overweight or obesity by adolescence. Of adolescents with obesity, ~50% were affected by overweight or obesity from age 5 years onwards, and the most rapid increase in BMI had occurred between 2 and 6 years of age.

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Author information


  1. Discipline of Child and Adolescent Health, University of Sydney, Sydney, Australia

    • Louise A. Baur
  2. Institute of Endocrinology, Sydney Children’s Hospitals Network, Westmead, Sydney, Australia

    • Sarah P. Garnett


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Competing interests

The authors declare no competing interests.

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Correspondence to Louise A. Baur.

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