Marcia Herman-Giddens first observed the age of puberty dropping for American girls in the late 1980s. Today, she and other researchers agree that the average age of onset has fallen significantly since the 1970s, and some point toward chemicals like bisphenol A—a ubiquitous hormone-like substance that the FDA recently refused to ban—as a possible cause.
Public concern about the dangers of BPA, or bisphenol A, hasn’t translated into regulatory measures on the part of the Food and Drug Administration, as the agency isn’t yet cracking down on the chemical, which turns up in a few commonly used products and even in receipts.
In the face of mounting scientific evidence, Susan G. Komen for the Cure, a nonprofit devoted to wiping out breast cancer, has published statements on its website that dismiss links between the disease and the ubiquitous chemical bisphenol A (BPA), while simultaneously funding research exploring that connection. (more)