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Old 07-30-2007, 02:59 PM
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Default Folic Acid and Soy May Protect Against Plastic Toxin

“Just as importantly, when pregnant mothers were also given folic acid or genistein, the epigenetic influence of BPA was counteracted,” she added.

BPA is a synthetic estrogen first synthesized in the 1890s and is used in the manufacturing process from such everyday products as plastic water bottles, food containers and baby bottles. While laboratory studies have uncovered possible health concerns in animals, there has been considerable debate in the United States and Europe about what levels are considered safe for human consumption. Attempts have been made in Canada, California, Maryland and Minnesota to ban its use.
Folic Acid and Genistein May Counter BPA
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Old 08-01-2007, 09:37 AM
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Unsafe levels of Bisphenol A found in humans, scientists say

8/1/2007 - Human exposure to food packaging chemical Bisphenol A (BPA) is higher than levels found to have caused cancer in laboratory animals, according to new scientific studies.

In addition a group of 38 scientists associated with BPA research have issued a consensus statement saying that they are particularly concerned about the use of concern is the use of BPA in food and beverage plastic storage and heating containers and to line metal cans.

The findings and statement will add to the body of research on the toxin and fuel growing consumer concerns. The resulting consumer and regulatory fallout from the health scare could force processors to seek safer packaging alternatives.

Three of the scientists are due to discuss their conclusions tomorrow in a conference call with the press. Their conclusions are based on a collection of new studies and reviews of the chemical due to be published in the journal Reproductive Toxicology.

BPA is an additive widely used in plastic packaging and the resin linings of food cans. It is also used in dental filling. Other published studies have found that the chemical migrates in small amounts into food and beverages from packaging containing the substance.

In previous statements the Can Manufacturers Institute, with members manufacturing about 80 per cent of cans produced in the US, has said there is no scientific basis for concern that exposure to trace levels of BPA will cause human harm, even in children.

The studies broaden scientific concerns about potential adverse health effects of very low levels of BPA exposure, especially during early development, according to a spokesperson for the group.

Three of the reviews focus on the extensive studies already done on animals, and examine outcomes, including early stage breast and prostate cancer, decreased sperm counts and early puberty in mice and rats, at exposure levels comparable to those experienced by most Americans.

"Unfortunately, there are very few epidemiological studies of human effects of BPA to determine how well this extensive animal data will translate to human diseases and dysfunctions," according to a statement from the spokesperson organising the conference.

One review reports that BPA is present in many forms in the daily lives of Americans. The common exposure sources are the linings of food cans and some plastic containers, including some popular water and baby bottles.

The journal will also publish simultaneously a new study claiming that BPA is functionally similar to diethylstilbestrol (DES), a synthetic estrogen banned long ago for use by pregnant women.

DES was banned after studies implicated the chemical in causing reproductive tract problems. The experimental animal study, done by a team led by Retha Newbold, claims to be the first to link developmental exposure to bisphenol A to diseases such as uterine fibroids, precancerous changes in the reproductive tract, and to cystic ovaries.

The conference call will involve Jerrold Heindel, a scientist with the National Institute of Environmental Health Sciences, his colleague Retha Newbold, and Frederick vom Saal, a scientist with the department of reproductive biology and neurobiology at the University of Missouri-Columbia.

About six billion pounds of BPA are used annually to make resins and polycarbonate plastic.

Previous studies have linked BPA with increases in abnormal penile and urethra development in males, early sexual maturation in females, an increase in neurobehavioral problems such as attention deficit hyperactivity disorder (ADHD) and autism, an increase in childhood and adult obesity and type 2 diabetes, a regional decrease in sperm count, and an increase in hormonally mediated cancers, such as prostate and breast cancers. http://www.nutraingredients-usa.com/...mbwqmtzteamsxw
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