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Home » Comestible Zone

BPA-Free Plastic Containers May Be Just as Hazardous . . . August 15, 2014 3:47 am DanS

BPA-Free Plastic Containers May Be Just as Hazardous
Animal studies find that a replacement compound for the estrogen-mimicking chemical bisphenol A may be also be harmful to human health

8-11-2014 | Jenna Bilbrey

In 2012 the U.S. Food and Drug Administration banned the sale of baby bottles that contain bisphenol A (BPA), a compound frequently found in plastics. The ban came after manufacturers’ responded to consumer concerns of BPA’s safety after several studies found the chemical mimics estrogen and could harm brain and reproductive development in fetuses, infants and children.* Since then store shelves have been lined with BPA-free bottles for babies and adults alike. Yet, recent research reveals that a common BPA replacement, bisphenol S (BPS), may be just as harmful.

BPA is the starting material for making polycarbonate plastics. Any leftover BPA that is not consumed in the reaction used to make a plastic container can leach into its contents. From there it can enter the body. BPS was a favored replacement because it was thought to be more resistant to leaching. If people consumed less of the chemical, the idea went, it would not cause any or only minimal harm.

Yet BPS is getting out. Nearly 81 percent of Americans have detectable levels of BPS in their urine. And once it enters the body it can affect cells in ways that parallel BPA. A 2013 study by Cheryl Watson at The University of Texas Medical Branch at Galveston found that even picomolar concentrations (less than one part per trillion) of BPS can disrupt a cell’s normal functioning, which could potentially lead to metabolic disorders such as diabetes and obesity, asthma, birth defects or even cancer. “[Manufacturers] put ‘BPA-free’ on the label, which is true. The thing they neglected to tell you is that what they’ve substituted for BPA has not been tested for the same kinds of problems that BPA has been shown to cause. That’s a little bit sneaky,” Watson says.

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  • I suspect our fears of chemical toxicity are highly exaggerated... by ER 2014-08-15 09:57:27

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