BPA exposure makes male mice less masculine, attractive – CNN (Health.com) – By Ella Quittner – (Tuesday, June 28, 2011) –

by drsjbecker on July 1, 2011

(Health.com) — Male mice who are exposed in the womb to bisphenol A, or BPA, a chemical compound found in some hard plastics and can linings, appear to be less masculine and less attractive to females once they mature, raising the possibility that the controversial chemical could subtly affect boys in similar ways.

In a new study, male deer mice whose mothers were fed BPA while pregnant had more difficulty navigating a maze and displayed less interest in exploring than unexposed males — a sign of “demasculinization,” researchers say, since navigational skill and a propensity for exploration are considered classic male traits in this particular species of mice. (In the wild, these traits help young male mice find potential mates.)     http://www.cnn.com/2011/HEALTH/06/27/bpa.mice.exposure/index.html

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