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Post  Post subject: Endocrine-disrupting Synthetic Chemicals  |  Posted: Fri Aug 02, 2013 5:47 am

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Has anyone read "Our Stolen Future"? Compelling look at today's huge environmental disaster which hardly anyone is aware of.

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Post  Post subject: Re: Endocrine-disrupting Synthetic Chemicals  |  Posted: Fri Aug 02, 2013 2:39 pm
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I have not read that, no. Is it a fictional story that alludes to those themes, or is it instead more of an informative non-fiction that is an overview of some era or history? Something else?

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Post  Post subject: Re: Endocrine-disrupting Synthetic Chemicals  |  Posted: Fri Aug 02, 2013 5:48 pm

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The book details researchers' efforts which have determined that many synthetic chemical compounds which for decades were used world-wide, are closely related chemically to human hormones, particularly estrogen. Thus, when encountered, the body mistakes them for estrogen, takes them up, and stores them in our fat tissue.

I see this, as they do, as a far more serious threat to all humans, since the immediate effects, though subtle, are followed by very serious ones in succeeding generations; thus the book's title. Very little public knowledge appears to prevail about endocrine-disruptors. Concern seems to be focussed, aided greatly by a slanted mass-media, on current concerns for the environment. Blood samples analyzed from persons in all walks of life, living as far distanced from population-intense areas (such as north-east Canada), have shown that a predicted 90+ % of human beings have detectable levels of this shit in their systems! Not to worry though, since they produce little, if any, untoward medical symptoms to the present generation.

One of them is Polychlorinated Biphenyls (PCBs). An amazingly useful material, it has through "biomagnification" found it's way in exceedingly low levels from microscopic water-borne organisms (zooplankton and phytoplankton) upwards through the food chain, being stored in the tissues in vastly increasing amount, from small fish to larger ones, until the birds which eat higher-order receptors of the stuff, such as the Herring Gull, carry tens of millions of times the concentration found in the plankton.

"The story of PCBs and how they have spread throughout the planet and into the body fat of almost every living creature is likely the mosdt fascinating and instructive chapters in the history of the era of synthetic chemicals. Of the 51 now identified as hormone disruptors at least half, including PCBs, are "persistent" in that they resist natural processes of decay that render them harmless. These long-lived chemicals will be a continuing hazard to the unborn for years, decades, or in the case of some PCBs, several centuries." (quoted from the book)

It has beeen three decades since health researchers discovered that DDT, PCBs, and other persistent chemicals were accumulating in human fat and breast milk, as well as in every other part of the environment. They move everywhere, even through the placental barrier and into the womb. Thus, in only six months of breast feeding, a baby in the United States or Europe gets the maximum recommended LIFETIME dose of dioxin, which rides through the food web like PCBs and DDT.

Plastic linings used in canned foods were found to release bisphenol-A into the foods contained at levels measured to be 25 times greater than those which a Stanford University team had found to make breast cancer cells proliferate!

This book cannot be over-recommended.

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Post  Post subject: Re: Endocrine-disrupting Synthetic Chemicals  |  Posted: Fri Aug 02, 2013 6:58 pm
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Right on. What a good review! I'll need to check that out. Sounds exactly like my kind of book. Cheers.

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Post  Post subject: Re: Endocrine-disrupting Synthetic Chemicals  |  Posted: Sat Aug 03, 2013 5:48 am

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Here is a bit of further info that migh hasten your interest level.


Dichloro-diphenyl-trichloroethane (DDT) was first used as a pesticide against Colorado potato beetles on crops beginning in 1936.[93] An increase in the incidence of malaria, epidemic typhus, dysentery, and typhoid fever led to its use against the mosquitoes, lice, and houseflies that carried these diseases. Before World War II, pyrethrum, an extract of a flower from Japan, had been used to control these insects and the diseases they can spread. During World War II, Japan stopped exporting pyrethrum, forcing the search for an alternative. Fearing an epidemic outbreak of typhus, every British and American soldier was issued DDT, who used it to routinely dust beds, tents, and barracks all over the world.

DDT was approved for general, non-military use after the war ended.[93] It became used worldwide to increase monoculture crop yields that were threatened by pest infestation, and to reduce the spread of malaria which had a high mortality rate in many parts of the world. Its use for agricultural purposes has since been prohibited by national legislation of most countries, while its use as a control against malaria vectors is permitted, as specifically stated by the Stockholm Convention on Persistent Organic Pollutants[94]

As early as 1946, the harmful effects of DDT on bird, beneficial insects, fish, and marine invertebrates were seen in the environment. The most infamous example of these effects were seen in the eggshells of large predatory birds, which did not develop to be thick enough to support the adult bird sitting on them.[95] Further studies found DDT in high concentrations in carnivores all over the world, the result of biomagnification through the food chain.[96] Twenty years after its widespread use, DDT was found trapped in ice samples taken from Antarctic snow, suggesting wind and water are another means of environmental transport.[97] Recent studies show the historical record of DDT deposition on remote glaciers in the Himalayas.[98]

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Post  Post subject: Re: Endocrine-disrupting Synthetic Chemicals  |  Posted: Sat Aug 03, 2013 5:54 am

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Just in case you might not realize just how strongly I feel about this topic:

Polychlorinated biphenyls[edit]

Main article: Polychlorinated biphenyls

Polychlorinated biphenyls (PCBs) are a class of chlorinated compounds used as industrial coolants and lubricants. PCBs are created by heating benzene, a byproduct of gasoline refining, with chlorine.[104] They were first manufactured commercially by the Swann Chemical Company in 1927.[105] In 1933, the health effects of direct PCB exposure was seen in those who worked with the chemicals at the manufacturing facility in Alabama. In 1935, Monsanto acquired the company, taking over US production and licensing PCB manufacturing technology internationally.

General Electric was one of the largest US companies to incorporate PCBs into manufactured equipment.[105] Between 1952 and 1977, the New York GE plant had dumped more than 500,000 pounds of PCB waste into the Hudson River. PCBs were first discovered in the environment far from its industrial use by scientists in Sweden studying DDT.[106]

The effects of acute exposure to PCBs were well known within the companies who used Monsanto's PCB formulation who saw the effects on their workers who came into contact with it regularly. Direct skin contact results in a severe acne-like condition called chloracne.[107] toExposure increases the risk of skin cancer,[108] liver cancer,[109] and brain cancer.[108][110] Monsanto tried for years to downplay the health problems related to PCB exposure in order continue sales.[111]
The detrimental health effects of PCB exposure to humans became undeniable when two separate incidents of contaminated cooking oil poisoned thousands of residents in Japan (Yushō disease, 1968) and Taiwan (Yu-cheng disease, 1979),[112] leading to a worldwide ban on PCB use in 1977. Recent studies show the endocrine interference of certain PCB congeners is toxic to the liver and thyroid,[113] increases childhood obesity in children exposed prenatally,[103] and may increase the risk of developing diabetes.[114][115]

PCBs in the environment may also be related to reproductive and infertility problems in wildlife. In Alaska it is thought that they may contribute to reproductive defects, infertility and antler malformation in some deer populations. Declines in the populations of otters and sea lions may also be partially due to their exposure to PCBs, the insecticide DDT, other persistent organic pollutants. Bans and restrictions on the use of EDCs have been associated with a reduction in health problems and the recovery of some wildlife populations.[116

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