What's in your wallet? Another 'estrogen'

A bioactive chemical cousin of BPA turns up on money and in receipts

By Janet Raloff, 13:40 PM June 20, 2012

Two small investigations over the past 18 months turned up U.S. greenbacks tainted with bisphenol A, a hormone-mimicking pollutant. One of them also detected BPA on paper currencies from 20 other nations. Now the authors of that second report have turned up BPA’s cousin — bisphenol S — on many of those same banknotes in addition to 13 other types of papery products.

Owing to the near ubiquity of BPS in paper, human exposure is likely also “ubiquitous,” these chemists at the New York State D...

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