Postmenopausal Weight Gain Increases Breast Cancer Risk

July 19, 2009 | Byron J. Richards, Board Certified Clinical Nutritionist

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 Postmenopausal Weight Gain Increases Breast Cancer Risk
A new study of 5,450 postmenopausal women1 shows double the risk for breast cancer in women with elevated insulin. As I recently reported, this risk goes up further if a postmenopausal woman is also taking estradiol, whether from horse urine or bioidentical.

High levels of insulin (insulin resistance) are driven by leptin problems resulting in the weight gain. Women have little margin for error after menopause, as metabolism is essentially in a numbed-out condition for a while. To reduce the risk for breast cancer following menopause women must do everything in their power not to gain weight.

Referenced Studies

  1. ^ Insulin Resistance and Breast Cancer Risk  International Journal of Cancer  Geoffrey C. Kabat, Mimi Kim, Bette J. Caan, Rowan T. Chlebowski, Marc J. Gunter, Gloria Y.F. Ho, Beatriz L. Rodriguez, James M. Shikany, Howard D. Strickler, Mara Z. Vitolins, Thomas E. Rohan.

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