BPA makes male mice less macho
Exposures in the womb or during adolescence can erase some masculine behavior
By Janet Raloff, 15:59 PM June 28, 2011
An ingredient in many clear plastics also renders some gender-linked behaviors plastic, at least in mice. Two new studies link feminized behaviors in adult males with exposures during development to bisphenol A, a weak estrogen-mimicking chemical. In one study, some behaviors in BPA-exposed females morphed into features characteristic of males.
The findings come from laboratory studies conducted in different species. Each experiment also exposed animals at a different time during developme...
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