August 10, 2016 Updated 8/10/2016
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Washington — A new study on bisphenol-S shows the polycarbonate component could be considerably more harmful than the controversial chemical it is meant to replace.
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Published in the journal PLOS Genetics, findings in “Exposure to the BPA Substitute Bisphenol-S Causes Unique Alterations of Germline Function” indicate BPS harms eggs at even lower concentrations than bisphenol-A.
UCLA researchers exposed nematodes to both BPA and BPS in concentrations similar to those commonly found in humans. The exposed worms showed lower fertility rates than control worms, the study says, and worms dosed with BPS had negative effects on their fertility at concentrations lower than those with BPA.
“These results therefore suggest that BPS may not represent a safe alternative to BPA with regards to reproductive and germline toxicity,” the study says, also suggesting that BPS is more damaging to the endocrine system than BPA.
Products containing BPS are frequently labeled “BPA-free,” in theory to allay consumer concerns about the much-maligned chemical.
BPA remains controversial in spite of the U.S. Food and Drug Administration’s declaration in 2014 that BPA exposure is safe for humans. Some groups continue to pressure the plastics industry to find alternatives
