As part of the “Strange Days on Planet Earth” by National Geographic that I watched on PBS, was a segment about compounds found in plastic like bisphenol A that leached into a Missouri Tributary, and into the fish and animals in a remote area. Bisphenol A acts like estrogen, and is an endocrine interrupter. It doesn’t take much for this stuff, 30 parts per trillion, to affect estrogen response in fish because they have an extremely sensitive system.
I went to find out more about this because I’ve already written about fish in N.Y. and recently the Potomac River in Washington that have both sexes, have changed gender, or are sexless due to estrogen discharged in the effluents of sewage treatment plants. When I watched this latest presentation about fish in Missouri that are altered by bisphenol A, I thought I would rummage around and found website after website from different places all over the country with gender bender fish.
There was even a study about perch in Michigan’s lakes on jestor @ http://www.jstor.org/pss/3435861. The article listed various endocrine disruptors present in the water like the estrogen from sewage plants but also bisphenol A. Read the article because it states “gonadal intersex was observed in male white perch collected from the Bay of Quinte (22-44%) and Lake St. Clair (45%), [] Intersex was not observed in hatchery-reared white perch or in white perch collected from an uncontaminated reference site (i.e., Deal Lake) in the United States.” So the lower Great Lakes are considered contaminated.
This does not bode well for our water systems. The “Strange Days” series continued about bisphenol A in plastic from which we eat and drink. It’s dangerous for our health. That’s why we’re being told lately not to microwave anything in a plastic container. As for baby bottles it’s really bad news.
The series stated that hormones control genetic programming in developmental stages of life, so babies are really affected by bisphenol A. Heating plastic baby bottle causes 10 times the amount of bisphenol A to leach out. They didn’t have to connect the dots any further. Do not use plastic baby bottles unless it’s documented they don’t contain bisphenol A.
Tags: Plastics
There is obviously a lot to know about this.
Strange isn’t it? I’m waiting to hear about it again somewhere else.
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