Urine Bisphenol-A Level in Relation to Obesity and Overweight in School-Age Children

De-Kun Li; Maohua Miao; ZhiJun Zhou; Chunhua Wu; Huijing Shi; Xiaoqin Liu; Siqi Wang; Wei Yuan

doi:10.1371/journal.pone.0065399

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Open Access

Peer-reviewed

Research Article

Urine Bisphenol-A Level in Relation to Obesity and Overweight in School-Age Children

De-Kun Li ,

* E-mail: dkl@dor.kaiser.org

Affiliations Division of Research, Kaiser Foundation Research Institute, Kaiser Permanente, Oakland, California, United States of America, Department of Health Research and Policy, School of Medicine, Stanford University, Stanford, California, United States of America
⨯
Maohua Miao,

Affiliation Department of Epidemiology and Social Science on Reproductive Health, Shanghai Institute of Planned Parenthood Research, & World Health Organization Collaborating Center for Research in Human Reproduction, Shanghai, China
⨯
ZhiJun Zhou,

Affiliation School of Public Health, Key Lab for Public Health Safety, & WHO Collaborating Center for Occupational Health, Fudan University, Shanghai, China
⨯
Chunhua Wu,

Affiliation School of Public Health, Key Lab for Public Health Safety, & WHO Collaborating Center for Occupational Health, Fudan University, Shanghai, China
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Huijing Shi,

Affiliation Department of Child and Adolescent Health, School of Public Health, Fudan University, Shanghai, China
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Xiaoqin Liu,

Affiliation Department of Epidemiology and Social Science on Reproductive Health, Shanghai Institute of Planned Parenthood Research, & World Health Organization Collaborating Center for Research in Human Reproduction, Shanghai, China
⨯
Siqi Wang,

Affiliation Department of Epidemiology and Social Science on Reproductive Health, Shanghai Institute of Planned Parenthood Research, & World Health Organization Collaborating Center for Research in Human Reproduction, Shanghai, China
⨯
Wei Yuan

Affiliations Department of Epidemiology and Social Science on Reproductive Health, Shanghai Institute of Planned Parenthood Research, & World Health Organization Collaborating Center for Research in Human Reproduction, Shanghai, China, National Population & Family Planning Key Laboratory of Contraceptive Drugs and Devices, Shanghai, China
⨯

Urine Bisphenol-A Level in Relation to Obesity and Overweight in School-Age Children

De-Kun Li,
Maohua Miao,
ZhiJun Zhou,
Chunhua Wu,
Huijing Shi,
Xiaoqin Liu,
Siqi Wang,
Wei Yuan

Published: June 12, 2013
https://doi.org/10.1371/journal.pone.0065399

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BPA reduces Testosterone which Increases Obesity

Posted by jamesmhoward on 13 Jun 2013 at 11:46 GMT

Bisphenol A reduces testosterone levels (Fertil Steril. 2013: "Serum bisphenol-A concentration and sex hormone levels in men," Zhou, et al.) I submit that BPA also reduces testosterone in children.

I suggest a certain ratio of testosterone to dehydroepiandrosterone (DHEA) is necessary for optimal gene activity in all tissues, perhaps, especially, in metabolism. If BPA reduces testosterone, then young girls would be more vulnerable to the effects of BPA than young girls. (I explain the importance of this ratio of testosterone to DHEA in "DHEA, Estradiol, Testosterone, and the Relevance of Their Ratio …The Androgen Receptor …and the Secular Trend," at: http://anthropogeny.com/A... .)

No competing interests declared.

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Urine Bisphenol-A Level in Relation to Obesity and Overweight in School-Age Children

Urine Bisphenol-A Level in Relation to Obesity and Overweight in School-Age Children

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BPA reduces Testosterone which Increases Obesity

Posted by jamesmhoward on 13 Jun 2013 at 11:46 GMT