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Pregnant women, please pay attention: these reminders are worth noting

General News By Emily Carter 0 views

(Cover image: photo credit: IMG_1157 via photopin (license))

Moms-to-be, what brands are the baby bottles in your home? Four baby bottles were found to contain trace amounts of the environmental hormone bisphenol A (Bisphenol A, BPA), which may make the unborn baby girls in your belly more prone to anxiety, hyperactivity and depression when they grow up [1]!

Let us turn our attention to alligator penises

Decades ago, the alligators living in Lake Apopka near Oakland in the United States were being sexually harassed by a group of scientists [2]. Led by scholars such as Louis J. Guillette Jr, they began grabbing adolescent male alligators one by one, carefully measuring their penises, and publishing their perverted serious research records in the journal General and Comparative Endocrinology.

The story above is not about that group of perverted scientists, nor is it about this year’s Ig Nobel Prize (which has already been awarded!), but about the little demon humanity has manufactured for itself over the past century: environmental hormones.

Bisphenol A detected in 4 baby bottles; Xi Yang Yang, Usbaby and Pei Bao PP baby bottles pulled from shelves

 

References

  1. Joe M. Braun, Amy E. Kalkbrenner, Antonia M. Calafat, Kimberly Yolton, Xiaoyun Ye, Kim N. Dietrich, and Bruce P. Lanphear, (2011) Impact of Early-Life Bisphenol A Exposure on Behavior and Executive Function in Children, Pediatrics, 128, 873-882
  2. Louis J. Guillette Jr., Daniel B. Pickford, D. Andrew Crain, Andrew A. Rooney, and H. Franklin Percival (1996) Reduction in Penis Size and Plasma Testosterone Concentations in Juvenile Alligators Living in a Contaminated Environment, General and Comparative Endocrinology, 101, 32-42
  3. Li-Chun Xu, Hong Sun, Jian-Feng Chen, Qian Bian, Jie Qian, Ling Song, Xin-Ru Wang (2005) Evaluation of androgen receptor transcriptional activities of bisphenol A, octylphenol and nonylphenol in vitro, Toxicology, 216, 197-203
  4. Ann L. Wozniak, Nataliya N. Bulayeva, and Cheryl S. Watson (2005) Xenoestrogens at Picomolar to Nanomolar Concentrations Trigger Membrane Estrogen Receptor-α–Mediated Ca2+ Fluxes and Prolactin Release in GH3/B6 Pituitary Tumor Cells, Environmental Health Perspectives, 113, 431-429
  5. Germaine M. Buck Louis, Kurunthachalam Kannan, Katherine J. Sapra, José Maisog and Rajeshwari Sundaram (2014) Urinary Concentrations of Benzophenone-Type Ultraviolet Radiation Filters and Couples’ Fecundity, American Journal of Epidemiology, DOI: 10.1093/aje/kwu285
  6. Bisphenol A (Bisphenol A, BPA), official website of the Food and Drug Administration. http://www.fda.gov.tw/TC/siteContent.aspx?sid=3822#.VhEvTN-qqko
  7. The Environmental Protection Administration announces bisphenol A as a Class IV toxic chemical substance, regulating its operation to reduce the risk of environmental hormone exposure among the people, official website of the Environmental Protection Administration. http://enews.epa.gov.tw/ENEWS/m_fact_Newsdetail.asp?InputTime=0980730121432&MsgText2=
  8. Announcement of the inspection results of the "Special Inspection Project for Plastic Baby Bottles and Pacifiers on the Market", official website of the Food and Drug Administration. http://www.fda.gov.tw/TC/newsContent.aspx?id=14092&chk=622bee55-df8b-420b-8411-0e3443afce57#.VhEwSd-qqko

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