Umass doc weights in on this. Also see research from Silent Spring Institute.

From Times: “Because hormones act at low concentrations in our blood, it is not surprising that even low-level exposures to endocrine disrupters can contribute to disease,” said Laura N. Vandenberg, an assistant professor in the department of environmental health sciences at the University of Massachusetts-Amherst’s School of Public Health, who spoke on behalf of the Endocrine Society.