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New Study Looks at Effects of Chronic and Continuous BPA Exposure

New Study Looks at Effects of Chronic and Continuous BPA Exposure

A new study has found that our exposure to bisphenol-A (BPA) may be greater than previously thought. Theresa Boyle reported on the study in Toronto Star’s Healthzone and quoted the study’s lead researcher, Cheryl Rosenfeld, as saying “We might be taking in more and there is a greater concentration.”

This research, published in Environmental Health Perspectives, is expected to be a “better predictor of BPA concentrations in chronically exposed animals and humans.” Unlike previous studies, which simply tested the effects of a single dose of BPA, this study looked at the impact of dietary exposure to the chemical over time.

The mice in the study were tested after the first 23 hours of exposure and again after 7 days of exposure. Healthzone reports that “mice absorb 2.8 times more of the active form of BPA when continuously exposed to it through their diet compared to when given a single dose.”

Ultimately, if you are sipping from that water bottle containing BPA all day long or if your baby is drinking from a BPA baby bottle all the time, the exposure is going to be significantly higher than if you eat peas from a BPA lined can once per month. Our exposure to BPA is probably higher than we realize. As Healthzone reports, it is found in “hundreds of household items, including tin-can linings, plastic food covers, water bottles, CD liners and even sales receipts.”

Canada is the first country to have declared BPA a toxic substance. The Government of Canada’s current position is that dietary exposure to BPA via food packaging does not pose a risk to most Canadians. However, it also stated that there is sufficient uncertainty stemming from some animal studies to warrant limiting the exposure of infants (especially those who are fed primarily pre-packaged formula) to BPA. As a result, BPA in baby bottles is banned in Canada.

With BPA being considered a toxic substance already, the Government of Canada is in a position to further regulate the use of the substance if it feels that this new study or other research warrants greater restrictions or bans.

However, Canadians probably shouldn’t count on that being among the top priorities of the Harper government. As consumers, we need to demand better and protect ourselves.

SIGN THE CARE2 PETITION: Choose Kids, Not Chemicals: Ban BPA!

Related posts:

European Union Bans BPA Baby Bottles

U.S. Government Launches Major BPA Investigation, But Is It Too Late?

Protect Our Young: Get BPA Out of the Food Supply

—-
Annie blogs about the art and science of parenting at the PhD in Parenting blog.

 

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Photo Credit: Kyle Leboeuf on flickr

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38 comments

+ add your own
9:25AM PDT on Apr 9, 2012

WE THE PEOPLE need to wake up-rise up- and reassert our control over what goes on...

9:24AM PDT on Apr 9, 2012

if it can banned in Europe why not here? profit profit profit above everything else that is what capitalism's bottom line is all about-not ethics- not principles-its ruler ship by bean counters and i don't like it....Values and principles should be the apex in every endeavor....above nations,above people...rule of law and the law based on principles....

9:02AM PDT on Mar 31, 2012

Thanks. I'll definitely avoid it.

5:03PM PST on Feb 9, 2012

Why are we poisoning ourselves and our kids? Why are the regulators and law makers letting this happen?

8:35PM PST on Feb 1, 2012

thank you..

4:21PM PST on Nov 18, 2011

thanks

12:16AM PDT on Oct 7, 2011

Why do we always have to follow be behind Europe in banning harmful hormones chemicals etc.

2:59PM PDT on Jun 27, 2011

Shame on you

2:59PM PDT on Jun 27, 2011

Tests were conducted on animals! Ban animal testing!

3:54PM PDT on Jun 13, 2011

PLEASE SIGN: http://www.thepetitionsite.com/1/fed-up-to-be-poisoned/
THANKS!

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