Bryan Walsh writing for the Ecocentric Blog at Time Magazine:
It’s used almost everywhere. It’s in almost all of us. It does weird things to rodents and it may be doing weird things to us—but it’s tough to be certain. Bisphenol-A (BPA) has become a litmus test for how people view environmental health and the risks of common household chemicals—as I wrote in a long story for TIME earlier this year. The chemical has countless industrial uses, most often in the epoxy liner of cans and in plastic bottles. But BPA is also an endocrine disruptor, meaning that it has the capacity to mess with our hormones and potentially impact health—especially in developing fetuses—even at relatively low doses. (Because they can mimic hormones—which cause enormous changes in our bodies even at relatively low amounts—the dose-response relationship used to evaluate traditional toxins like lead may not work with BPA.)
Green advocates like the Environmental Working Group have pushed hard to restrict and even ban BPA, citing the potential risk to human health, while industry groups like American Chemistry Council have fought tooth and nail to keep the chemical in use, casting doubt on the animal studies that have shown harm from BPA.