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Ferre
Cannabis Sacrament Minister.
Joined: 14 Apr 2003
Posts: 7295
Location: Amsterdam
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 Posted: Sat Apr 16, 2005 12:08 am Post subject: Widely Used Plastic Leaches Dangerous Chemical |
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Scientists say evidence mounting that chemical in plastic is dangerous
By Marla Cone
Los Angeles Times
Evidence is mounting that a chemical in plastic may be risky in the small amounts that seep from bottles and food packaging, according to a report to be published this week in a scientific journal.
Authors of the report, who reviewed more than 100 studies, urged the Environmental Protection Agency to re-evaluate the risks of bisphenol A and consider restricting its use.
Bisphenol A, or BPA, has been detected in nearly all human bodies tested in the United States. It is a key building block in the manufacture of hard, clear, polycarbonate plastics, including baby bottles, water bottles and other food and beverage containers. The chemical can leak from plastic, especially when containers are heated, cleaned with harsh detergents or exposed to acidic foods or drinks.
The plastics chemical is the focus of one of the most-contentious debates involving industrial compounds that can mimic sex hormones. Toxicologists say exposure to man-made hormones skews the developing reproductive systems and brains of newborn animals, and could be having the same effects on human fetuses and young children.
Since the late 1990s, some experiments have found no effects at the doses of BPA that people are exposed to, while others suggest that it is estrogenic, blocks testosterone and harms lab animals at low doses. Plastics-industry representatives say the trace amounts that migrate from some products pose no danger and are far below safety thresholds set by the EPA and other agencies.
In the new report, to be published online tomorrow in Environmental Health Perspectives, scientists Frederick vom Saal and Claude Hughes say that, as of December, 115 studies have been published examining low doses of the chemical, and 94 found harmful effects.
In an interview yesterday, vom Saal, a reproductive biologist at University of Missouri, Columbia, said there is now an "overwhelming weight of evidence" that the plastics compound is harmful.
"This is a snowball running down a hill, where the evidence is accumulating at a faster and faster rate," vom Saal said. "You can't open a scientific journal related to sex hormones and not read an article that would just floor you about this chemical. ... The chemical industry's position that this is a weak chemical has been proven totally false. This is a phenomenally potent chemical as a sex hormone."
In their study, vom Saal and Hughes suggest an explanation for conflicting results of studies: 100 percent of the 11 funded by chemical companies found no risk, while 90 percent of the 104 government-funded, nonindustry studies reported harmful effects.
Steven Hentges, executive director of the polycarbonate business unit of the American Plastics Council, said yesterday that the new report lists numbers of studies and pieces of data without analyzing them to determine their strengths or weaknesses and relevance to human beings.
http://seattletimes.nwsource.com/html/health/2002239760_plastic13.html
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Rev.Holden Greene
Cannabis Sacrament Minister
Joined: 25 Feb 2005
Posts: 482
Location: us
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| Posted: Sat Apr 16, 2005 12:10 am Post subject: |
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i saw something about this last year
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Ferre
Cannabis Sacrament Minister.
Joined: 14 Apr 2003
Posts: 7295
Location: Amsterdam
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| Posted: Sat Apr 16, 2005 12:11 am Post subject: |
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scary, you can't touch anything artificial or somehow it's un-healthy.
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Rev.Holden Greene
Cannabis Sacrament Minister
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| Posted: Sat Apr 16, 2005 12:31 am Post subject: |
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in my opinion nothing is totaly healthy natural or not. too much of anything will eventualy harm you even if you dont notice no matter how safe it is.
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Fyrefly1
Cannabis Sacrament Minister
Joined: 07 Sep 2004
Posts: 2209
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| Posted: Sat Apr 16, 2005 2:10 am Post subject: |
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Wish we had some more of those quart sized glass milk jugs...they're great for water!
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Ferre
Cannabis Sacrament Minister.
Joined: 14 Apr 2003
Posts: 7295
Location: Amsterdam
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| Posted: Fri Apr 22, 2005 2:35 am Post subject: |
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More on the subject...
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Scientists raise spectre of cancer-causing packaging
20/04/2005 - Compounds found in plastic food packaging could be possible cancer-causing agents, according to a worrying new study from the US.
Researchers at Fox Chase Cancer Center in Philadelphia, US claim to have demonstrated that two plasticiser compounds, BPA and BBP, are environmental estrogens capable of affecting gene expression in the mammary glands of young female laboratory rats exposed to the compounds through their mothers' milk.
Plastic products used to wrap or contain food and beverages have therefore aroused concerns as possible cancer-causing agents because they can sometimes leach out of the plastic and migrate into the food.
The scientists found that this was especially true after heating or when the plastic is old or scratched.
MORE: Foodnavigator.com
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