Does anyone have the reference citations mentioned by number inthe text (but not
listed) in Maroc's post on BGH?
Ray Weil
Maroc wrote:
> Bob MacGregor, the following is from the Sierra Club of Canada.
>
> Don Maroc
> Vancouver Island, Canada
>
> "When a cow is injected with BGH, its milk production is stimulated, but not
> directly. The presence of BGH in the cow's blood stimulates production of
> another hormone, Insulin-Like Growth Factor - 1, or IGF-1. It is IGF-1 that
> stimulates milk production. IGF-1 is a naturally occurring hormone-protein
> in both cows and humans.
>
> Some scientists maintain that the use of BGH increases the levels of IGF-1
> in cow's milk. IGF-1 is not destroyed by milk pasteurization. Because IGF-1
> is active in humans, causing cells to divide, any increased levels of IGF-1
> in milk raises the question: will this result in cell division leading to
> the growth of cancerous tumors?
>
> Monsanto's position that IGF-1 levels are not elevated contradicts the
>
> companyís own studies. In a published letter, the British researcher T. B.
> Mepham reminded Monsanto that in its 1993 application to the British
> government for permission to sell BGH, Monsanto itself reported that "the
> IGF-1 level went up substantially [about five times as much]."[7] The FDA
> acknowledges that IGF-1 is elevated in milk from BGH-treated cows.[8] Other
> proponents of BGH acknowledge that it at least doubles the amount of IGF-1
> hormone in the milk.[9] The earliest report in this literature found that
> IGF-1 was elevated in the milk of BGH-treated cows by a factor of 3.6.[10]
>
> More recent studies have demonstrated that IGF-1, in the presence of the
> milk protein, casein, largely survives digestion in the stomach and passes
> into the intestine for absorption into the bloodstream.[11] In January,
> 1998, a Harvard study of 15,000 white men that was published in SCIENCE
> magazine reported that those with elevated, but still normal, levels of
> IGF-1 in their blood are 4 times as likely as average men to get prostate
> cancer.[12] Furthermore, "there are highly suggestive if not persuasive
> lines of evidence showing that consumption of this milk increases risks of
> breast and colon cancer," says Dr. Samuel Epstein, a scientist from the
> University of Illinois.
>
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