BPA Is In Your Canned Food

Bisphenol A (BPA) has gotten a lot of press over the last few years, from infant formula to Sigg bottles, it's everywhere. But did you know that it's also in your canned foods, especially canned tomato products, pasta sauces, and vegetables?

BPA is a compound used to manufacture plastics and has been in mainstream use for over 50 years. But for all of its benefits, BPA has some significant drawbacks. It can leach from plastics and plastic linings into the product that it holds, especially with acidic foods like tomatoes. From the food products it then is absorbed into the human body, where it causes damage to the cardiovascular and reproductive systems, and can contribute to increased incidences of cancer, diabetes, asthma and obesity.

Knowing its effects on the human body, consumers have tried to eliminate their exposure to it by getting rid of lined aluminum water bottles, plastic tupperware, plastic baby bottles, and nuerous other plastic products. But BPA lurks in other places as well, in canned foods. Studies by the Environmental Working Group (study results here) show that significant amounts of BPA are in canned vegetables and being absorbed into the human body.
There are some companies that don't use BPA to line their cans. You can check out the Environmental Working Group website or this website for a list of various companies that do and do not use BPA to line the cans of their products. Some surprising names still use BPA lined cans, companies like Progresso, Red Gold, Hormel, and Trader Joe's still use BPA liners in some of their canned foods.

In case you're on the fence about whether BPA is harmful to humans, here are some links to a few pertinent studies done in the past few years:
  • A 2007 consensus study that determined BPA "average levels in people are above those that cause harm to animals in laboratory experiments".
  • A 2008 panel created by the US National Institute of Health came to the conclusion that there was "some concern" over BPA's effects on fetal and infant brain development.
  • A 2009 study by Kaiser Permanente demonstrated that men exposed to high levels of BPA were more likely to experience sexual performance dysfunction.
  • In addition to the above studies, this website that has references to over 100 scientific studies on the effects of BPA, all articles peer reviewed and widely accepted.
There are some ways to mitigate the amount of BPA you are exposed to in canned foods. Purchase frozen items, especially vegetables, instead of the canned version.  You can also simply not use canned tomatoes and other canned foods as often, or at all. If you do buy them, look for glass jars or BPA free cans.

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