Receipts a large — and largely ignored — source of BPA

Small studies raise big alarm about exposure to a hormone-mimicking chemical

By Janet Raloff, 11:08 AM August 3, 2010

Cash register and other receipts may expose consumers to substantial amounts of bisphenol A, a hormone-mimicking chemical that has been linked with a host of potential health risks, according to a trio of recent studies. Each study offers preliminary evidence that a large number of retail outlets print sales receipts on certain types of heat-sensitive, or thermal, paper that use BPA as a color developer.

Two of the new studies also showed that the BPA coating easily rubs off onto fingers. ...

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