Friday, January 18, 2013

The "Safe" Replacement For BPA Might Be Just As Toxic

Whoops. We've been scrambling to get BPA out of everything, but a new study says the alternative might not be any better.

Bisphenol-A (BPA), an estrogen-mimicking compound found in plastic, store receipts, soup cans, water bottles, and other products, is potentially toxic. That has been drilled into our heads so much over the past few years that companies have scrambled to remove the compound from their products. Next time you're in the grocery store, count the products that proudly proclaim they're BPA-free. There's just one problem. Bisphenol-S (BPS), the so-called safe alternative to BPA, disrupts estrogen hormones in disturbingly similar ways to BPA. The safe alternative isn't so safe after all.

In a paper recently published in Environmental Health Perspectives, researchers from the University of Texas examined the effect of BPS in rats, where they found that "BPS can induce rapid non-genomic signaling in estrogen-responsive pituitary cells at low (femtomolar-picomolar) concentrations." In other words, BPS can mimic the body's estrogen hormones.

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