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Health101.org

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Dairy Consumption and Breast Cancer

Note: Below you will see references to "IGF-1". To better understand its role in cancer in general and breast cancer specifically, you need to read the following...

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There is only one hormone that is identical between any two species. That powerful growth hormone is insulin-like growth factor, or IGF-I. IGF-I is identical in human and cow. IGF-I survives digestion and has been identified as the key factor in breast cancer's growth.

When breast feeding, lactoferrins and immunoglobulins are protected from digestion (which benefits the nursing infant); mamillian milk is a hormonal delivery system. By drinking cow's milk, IGF-I is delivered in a bioactive form to the body's cells. When IGF-I from cow's milk alights upon an existing cancer, it's like pouring gasoline on a fire.

Scientists have found that the IGF-I system is widely involved in human carcinogenesis. A significant association between high circulating IGF-I concentrations and an increased risk of lung, colon, prostate and pre-menopausal breast cancer has been reported.

IGF-I has been identified as a key factor in the growth of every human cancer. Drink milk, and one doubles the amount of (free and unbound) IGF-I in the human body. The nations with the highest rates of breast cancer include Denmark, Norway, Holland, Sweden, closely followed by the US. These nations also have the highest per-capita consumption rates of milk and cheese. Coincidence?

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Here's the Studies

"Human Insulin-like growth factor (IGF-I) and bovine IGF-I are identical. Both contain 70 amino acids in the identical sequence." -- Judith C. Juskevich and C. Greg Guyer. SCIENCE, vol. 249. August 24, 1990.

"Insulin-like growth factor (IGF)-I can affect the proliferation of breast epithelial cells, and is thought to have a role in breast cancer." -- The Lancet, vol. 351. May 9, 1998

"The insulin-like growth factor (IGF) system is widely involved in human carcinogenesis. A significant association between high circulating IGF-I concentrations and an increased risk of lung, colon, prostate and pre- menopausal breast cancer has recently been reported. Lowering plasma IGF-I may thus represent an attractive strategy to be pursued..." -- Int J Cancer, 2000 Aug, 87:4, 601-5

"...serum IGF-I levels increased significantly in the milk drinking group…an increase of about 10% above baseline-but was unchanged in the control group." -- Journal of the American Dietetic Association, vol. 99, no. 10. October 1999

"IGF-I is critically involved in the aberrant growth of human breast cancer cells." -- M. Lippman. J. Natl. Inst. Health Res., 1991, 3.

"IGF-I has been identified as a key factor in breast cancer." -- Hankinson. The Lancet, vol. 351. May 9, 1998

"Estrogen regulation of IGF-I in breast cancer cells would support the hypothesis that IGF-I has a regulatory function in breast cancer." -- A.V. Lee, Mol-Cell- Endocrinol., March, 99(2).

"IGF-I is a potent growth factor for cellular proliferation in the human breast carcinoma cell line." -- J.C. Chen, J-Cell-Physiol., January, 1994, 158(1)

"Insulin-like growth factors are key factors for breast cancer growth." -- J.A. Figueroa, J-Cell-Physiol., Nov., 1993, 157(2)

"IGF-I produces a 10-fold increase in RNA levels of cancer cells. IGF-I appears to be a critical component in cellular proliferation." -- X.S. Li, Exp-Cell-Res., March, 1994, 211(1)

"IGF-I plays a major role in human breast cancer cell growth." -- E.A. Musgrove, Eur-J-Cancer, 29A (16), 1993

"Positive correlations between foods and cancer mortality rates were particularly strong in the case of meats and milk for breast cancer, milk for prostate and ovarian cancer, and meats for colon cancer." -- Rose DP, Cancer 1986 Dec 1;58(11):2363-71

"Breast cancer rates are lower in populations that consume plant based diets." - American Cancer Society Cancer Facts and Figures, 1994

"No dairy products are hormone-free. There are literally dozens of hormones in all fluid milk, including estrogen, somatotropins, prostaglandins, and growth factors." -- Tom Helscher, director of industry affairs for Monsanto (Estrogen? In her entire lifetime, a human female naturally manufactures the equivalent of one-half tablespoon of estrogen. Nano-molecular amounts (measured in billionths of a gram) of this powerful steroid hormone define the essence of a woman. Consumption of estrogen in milk and dairy products affect a woman's emotions, physiology, and increase her chances of getting breast cancer, uterine cancer, and ovarian cancer.)

 

When you combine the above with milk's connection to diabetes and osteoporosis, do you need more reasons to just say no to dairy products?

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See also:

"New Prostate Cancer Studies Implicating Milk"

"Death by Doctoring - Cancer: The Good, The Bad and the Ugly"

"Carcinogen Found in French Fries, Bread, Biscuits, and Some Interesting Information about the American Cancer Society"

"Reasons Why Women Should Not Get a Mammogram"

"Cell Phones and Cancer"

 

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