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Monday, May 4, 2009
Cancer in a water bottle: The numbers to avoid on your plastic bottle
Posted by Kim Colvin on Mon, May 4, 2009 at 10:33 PM
Ok, I've been really, really good. I've played the fatty food deprivation game, I've exercised four times a week, drank a gallon of water a day -- the whole nine. I've even displayed my loyalty to the Green club at the gym by bringing the same plastic bottle of frozen water every day instead of buying a new one. And just as I lay my hand outstretched awaiting the issuance of my Green card, I discovered how toxic water bottles can be.
Who really knows what those symbols on the bottom of our water bottles really mean? I didn't know, I didn't want to know- until a considerate e-mail from my mom-in-law informed me of how important it is to keep an eye out for the following numbers:
Number six plastics are what we call styrofoam, and release toxins into our food when heated up.
Found in baby bottles, water bottles (like mine), and food containers, number 7 containers can leach bisphenol A- a hormone disruptor that can lead to neural and behavioral problems in children. BPA is a synthetic hormone that can stimulate premature puberty and even lead to breast development in males. BPA has also been linked to prostate cancer.
Neither a fan of toxic coffee nor b**** tits, I found a great alternative in reusable stainless steel bottles. Klean Kanteen is a large distributor of stainless steel bottles, and offer a variety of different sizes. They even offer sippy cups for baby. I get to keep my Green card and save money on buying water. Now, I can't proclaim "I'm avoiding cancer!" when it's time to get up, grab some water, and drag myself to the gym. I'll find some other excuse.
Comments (2)
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The jury is still out on BPA. From wikipedia: The first study of bisphenol A's effects on humans was published in September 2008 by Iain Lang and colleagues in the Journal of the American Medical Association.[8][53] The cross-sectional study of almost 1,500 people assessed exposure to bisphenol A by looking at levels of the chemical in urine. The authors found that high bisphenol A levels were significantly associated with heart disease, diabetes, and abnormally high levels of certain liver enzymes. An editorial in the same issue notes that while this preliminary study needs to be confirmed and cannot prove causality, there is precedent for analogous effects in animal studies, which "add[s] biological plausibility to the results reported by Lang et al."[11] JAMA published study here: http://jama.ama-assn.org/cgi/content/full/300.11.1303 not an apologist or plastics industry, just a stickler for reporting science scientifically. Key here is that findings are preliminary and do not prove causality. Personally, however, I did take BPA nalgenes out of our stock after this study was reported, although I think I have one or two kicking around my Scouting gear still
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