. >> the i issue with pbdes is tht ththey've been replalaced withtr types of chemicals ththat may he very sisimilar concerns and perhaps even the same mechanism of action, i in terms of their ability to disrupupt the endocririne system. >> the flame retardants chlorinated tris and fire master 550, which may be linked to dna damage, cancer, or neurological defects, continue to be widely used in polyurethane foam in a number of common children's' products. >> so i think that the whole issue of flame retardants is one for which there is s some conce, and i think the real question we should ask, and maybe we n d to ask this more broadadly of other kinds of chemicals as well, is, do w we really need them? >> when it comes to endocrine disruptors, one of the most toxic places is your home. the silent spring institute conducted the first household endocrine disruptor exposure study in 2004. their focus was cape cod. >> we went into 120 homes on the cape and tested air and dust samples and women's urine, looking for 89 hormone disruptors. and we found 67 of them. >> w we were surprised to fi