. >> so i think that the whole issue of flame retardants is one fofor which there is some cocon, and i think the real question we shouould ask, and maybe we nd to ask this more broadly of other kinds of chemicals as wewell, is, do we realally 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. >> we werere surprised to find pcbs in house dust and in i indr air in these suburban homes. >> we see some links between certain ones of these pcbs and breast cancer diagnosis years later. >> we measured 27 different pesticides. we've measured 44 different flame retardants. in two thir o of thhomemes, stilfounund t. >> a 2007tutudy fnd a a psiblee linketween ear exposurto ddt anlater delopmen of brst cance even ough ddtas band 40 yearsgo. >> we s in thattudy that thwowomen o wew