Refined Carbohydrates Linked to Breast Cancer

May 21, 2008 | Byron J. Richards, Board Certified Clinical Nutritionist

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 Refined Carbohydrates Linked to Breast Cancer
A new study demonstrates that both estrogen positive and estrogen negative breast cancer in post menopausal women1 is linked directly to the size of their waistline and consumption of junky carbohydrates.

After menopause hormones such as leptin, growth hormone, insulin, and thyroid do not communicate as efficiently. This leads to abdominal area weight gain that oftentimes did not exist or was not as bad prior to menopause.

Eating too many carbohydrates, especially those that are refined (white sugar and white bread), causes insulin and leptin to be elevated too much. This leads to increased levels of insulin-like growth factor-1 (IGF-1), which in elevated amounts promotes the growth of cancer in breast tissue.

Shrinking your waistline, for men or women, is a top health priority for any person over the age of 50. An expanding waistline is a major red flag. We know from a large body of data that a flat stomach is clearly best. As you add inches you start a trend in the wrong direction. When women cross 35 inches and men cross 40 inches they are knocking on the disease risk door. Being 3 – 6 inches below this cut-off line is a very good idea.

Following the Leptin Diet significantly improves leptin and insulin function, reducing IGF-1 levels to normal and healthy function. Postmenopausal women (as well as men over 50) have little margin for error due to progressive inefficiencies in hormones associated with aging.

Referenced Studies

  1. ^ Refined Carbohydrates and Breast Cancer Risk  American Journal of Clinical Nutrition  Martin Lajous, Marie-Christine Boutron-Ruault, Alban Fabre, Françoise Clavel-Chapelon and Isabelle Romieu

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