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Residential density and adolescent overweight in a rapidly urbanising region of mainland China
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  • Published on: 27 April 2016
    Increase in Overweight Adolescents may be due to Increased Testosterone

    I suggest the findings of Xu, et al., are caused by increased testosterone within urban populations. A report comparing rural areas and a large city found that testosterone is higher in the large city (Folia Histochem Cytobiol. 2001;39 Suppl 2:38-9).

    It is my hypothesis that the "secular trend," the increase in size and earlier puberty occurring in children, is caused by an increase in the percentage of individu...

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    Conflict of Interest:
    None declared.