Dairy and IGF-I and breast cancer.

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By drinking cow's milk or eating ice cream, one delivers IGF-I in a bioactive form to the body's cells. When IGF-I from cow's milk alights upon an existing cancer...

Twelve pounds of milk are required to produce one pound of ice cream.

Each sip of cow's milk contains estrogen, which has been identified as a key factor in promoting breast cancer cell growth. Milk also contains a powerful growth hormone called.insulin-like growth factor (IGF-I).

There are hundreds of millions of different proteins in nature, and only one hormone that is identical between any two species. That powerful growth hormone is IGF-I, and it is an exact match in the cow's body and the human body. Drink one glass of cow's milk and a female doubles the amount of free circulating IGF-I in her body. Eat one portion of ice cream and one consumes 12 times the amount of this powerful cancer accelerator. IGF-I survives digestion and has been identified as the key factor in breast cancer's growth.

If you believe that breast feeding "works" to protect lactoferrins and immunoglobulins from digestion (and benefit the nursing infant), you must also recognize that milk is a hormonal delivery system. By drinking cow's milk or eating ice cream, one delivers IGF-I in a bioactive form to the body's cells. When IGF-I from cow's milk alights upon an existing cancer...

"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.

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

"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).

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DFW Vegetarian presents Dairy and Breast Cancer by Robert Cohen.

"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

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

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

"IGF-1 accelerates the growth of breast cancer cells."
M. Lippman Science, Vol. 259, January 29, 1993

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