A new study has shown that eating just one serving of canned food over a five day period elevates ones level of bisphenol-A, or BPA, in the bloodstream by over 10x the normal level. Published in The Journal of the American Medical Association, the study highlights the potential danger of the usage of BPA in canned food linings. BPA mimics the sex hormone estradiol, and some studies on mice and rats have shown structural damage to the brain, abnormal sexual behavior, early puberty and disrupted reproductive cycles, while human studies have it linked to higher risk of cancer, heart disease, and diabetes.
For several years now we have known that BPA can play a disruptive role in our neurological and reproductive systems, so seeing that just one helping of a canned food can increase levels tenfold is tough to swallow. A recent study found that 96 percent of pregnant women in the U.S. have at least trace amounts of BPA in their systems already, so I am guessing that most of us have elevated levels of the stuff too — especially after the holidays. This study confirms just how quickly BPA levels increase, and serves as a good reminder as to why we should limit our intake of canned foods when possible.
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