BPA has been linked to a host of health impacts including reproductive and developmental problems, obesity, cardiovascular disease and cancer.
In a survey of more than 250 brands of canned food, researchers found that more than 44 percent use bisphenol-A lined cans for some or all of their products.
With 109 brands not responding or providing enough information, that number could be a lot higher.
The survey, released today by the Environmental Working Group, found that 78 brands use BPA-lined cans for all of their products, 34 brands use BPA-lined cans for some of their products and 31 use BPA-free cans for all of their products. The survey was conducted between January and August of 2014.
BPA is used to make polycarbonate plastics and is found in some canned foods and beverages, paper receipts and dental sealants. Studies show that just about everyone has traces of the chemical in their body, and researchers believe diet is the major exposure route. The compound can leach out of can linings and into the food.
Exposure is a concern as BPA has been linked to a host of health impacts including reproductive and developmental problems, obesity, cardiovascular disease and cancer. The compound mimics estrogen hormones and can disrupt people’s endocrine systems.
Last week Environmental Health News that found even after people metabolize BPA, the resulting compound may still spur obesity.
According to the report, "companies that said they had eliminated BPA or were in the process of doing so did not disclose the substitutes they were using," so it’s unclear if the BPA-free products were using compounds similar to BPA, such as bisphenol-S, which has been shown to exhibit to BPA.
Researchers, however, have mostly found BPS in receipt paper.
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