Canada is expected to formally declare on Saturday that the controversial chemical bisphenol A (BPA) is a hazardous substance. The move will make Canada the first country in the world to put the chemical on a list of toxic substances that will ban the material from being used in such products as baby bottles. via…
By studiously ignoring all the subtle hormone disruption effects of bisphenol A and concentrating on easily observable neurological effects, the CERHR essentially does the industry’s bidding. Some risk linked to plastic chemical – Los Angeles Times A federal panel of scientists concluded Wednesday that an estrogen-like compound in plastic could be posing some risk to…
So is it Mondays with Bisphenol?? You know what, the scary thing about this chemical is that its acute (short term, immediate) toxicity at high doses, which is the only safety testing that is ever done, does not correlate with all the subtle effects that are seen at low doses (chronic). Here’s another study where…
I have written about bisphenol A recently. It’s a chemical found in polycarbonate plastics that has been linked with some crazy effects in mice at ambient levels including disruption of oogenesis (egg production) and effects two generations removed (grandmother effects). Public health agency linked to chemical industry – Los Angeles Times For nearly a decade,…
Chemical & Engineering News: Latest News – Bisphenol A May Trigger Human Breast Cancer Soto and her colleagues exposed pregnant rats to bisphenol A at doses ranging from 2.5 to 1,000 µg per kg of body weight per day. By the time the pups exposed at the lowest dose reached the equivalent of puberty (50…
Critical Windows of Development is a timeline of how the human body develops in the womb, with animal research showing when low-dose exposure to endocrine disrupting chemicals during development results in altered health outcomes. Critical Windows of Development This promises to be an easy to use database showing development timelines of infants, and the documented…
Dow AgroSciences is considering using the controversial investor-protection provisions of the North American free-trade agreement to seek compensation from the federal government over Quebec's ban on the cosmetic use of pesticides. The company, a maker of the weed-killer 2,4-D, filed a notice of intent to submit a claim to arbitration under NAFTA in late August….
Caveat Emptor: They found a correlation, not a causative mechanism. But Polybrominated Diphenyl Ethers (PBDEs, yum!) have structures that can mimic endocrine hormones. Because hormones signal at very low doses and continuously, our whole toxicological risk testing structure of looking for acute effects at high doses and trying to extrapolate those effects to low doses…
The LA Times features a study arising from the Silent Spring institute. Common chemicals are linked to breast cancer – Los Angeles Times More than 200 chemicals — many found in urban air and everyday consumer products — cause breast cancer in animal tests, according to a compilation of scientific reports published today. Writing in…
More Bisphenol A blowback, apparently, SF parents are switching to glass. Glass baby bottles making comeback / Stores selling out after health alarms raised about plastics Glass baby bottles, replaced decades ago by unbreakable plastic, are making such a comeback that parents can’t get their hands on them. Online and brick-and-mortar retailers report a run…