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All you need to know about Bisphenol A (BPA) to impress your friends.

All you need to know about Bisphenol A (BPA) to impress your friends.

Bisphenol A (BPA) is chemically prepared in a lab with two phenol groups combined with condensed acetone (hence the suffix A in the name).1 BPA is a chemical building block that is used primarily to make polycarbonate plastic and epoxy resins. (http://www.bisphenol-a.org/about/faq.html#b).

Polycarbonate is used in a wide variety of common products including digital media (e.g., CDs, DVDs), electrical and electronic equipment, automobiles, sports safety equipment, reusable food and drink containers, and many other products. (http://www.bisphenol-a.org/about/faq.html#b). In 2002, approximately 2.8 million tons of bisphenol A (BPA) was produced globally (Source: Chemical Market Associates, Inc. (CMAI)).

Bisphenol A is an endocrine disruptor, which can mimic the body’s own hormones and may lead to negative health effects. A 2007 review concluded that bisphenol-A has been shown to bind to thyroid hormone receptor and perhaps have selective effects on the thyroid’s function.2 Another BPA health study in 2008 further concluded that perinatal exposure to low doses of BPA, alters breast development and increases breast cancer risk.3 (http://en.wikipedia.org/wiki/Bisphenol_A#cite_note-24)

Canada became the first country to declare BPA as a toxic substance. This does not mean we can all rest assured, and that the BPA issue will go away. As consumers of many products created from BPA, we need to make the government, regulators and the respective industries (ie. food and manufacturing) accountable to enforce the BPA ban in Canada. We can also take our dollars and our voices and vote for products we feel are more ethical. Especially products that are BPA free.

Dr Elias Markou, ND

References

Uglea, Constantin V.; Ioan I. Negulescu (1991). Synthesis and Characterization of Oligomers. CRC Press <http://en.wikipedia.org/wiki/CRC_Press> . p. 103.
Zoeller, R. (2007). “Environmental chemicals impacting the thyroid: targets and consequences”. Thyroid : official journal of the American Thyroid Association 17 (9): 811–817.)
Brisken, C. (2008). “Endocrine Disruptors and Breast Cancer”. CHIMIA International Journal for Chemistry 62: 406–409.



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