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Study- BPA May Demasculinize Men

susan_harr5 years ago

A new study suggests that the chemical Bisphenol A (BPA) may demasculinize men and decrease their reproductive fitness. The study, published in the Proceedings of the National Academy of Sciences, exposed male and female deer mice to BPA and used control groups to gauge the results.

“Developmental exposure to BPA compromises cognitive abilities and behaviors essential for males to reproduce successfully [and] has broad implications for other species, including our own,” study authors stated.


  • Spatial learning abilities and exploratory behaviors were severely compromised in male mice exposed to BPA.
  • BPA-exposed males performed worse on spatial navigation tasks that assess their ability to find female partners in the wild.
  • Both BPA-exposed and control females preferred control males to BPA-exposed males.

About BPA

BPA is a chemical used to make polycarbonate plastic and epoxy resins that are used in the production of a variety of items including plastic bottles, reusable containers, canned foods, medical devices, and even sports equipment. The National Institutes of Health is currently sponsoring studies which investigate the link between BPA and cancer, heart disease, child disabilities, birth defects and other serious ailments. The U.S. Food and Drug Administration (FDA) also continues to monitor health risks related to BPA.

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