Do Bio-Identical Hormones Cause Breast Cancer?
The answer is no. According to the French Cohort study, there is no increase in breast cancer in women using bio-identical hormones. However, having said that, avoiding excess environmental estrogens as well as excessive estrogen levels from any source, is the key to preventing breast cancer.(9) My previous article covers our program for breast cancer prevention which includes iodine supplementation, Indole-3-carbinol and fiber. To read about this, see: Breast Cancer Prevention and Iodine Supplementation by Jeffrey Dach MD. Do Bio-Identical Hormones Cause Heart Disease ? Again, the answer is no. A study of CAT calcium scores by JoAnn E. Manson in the June 2007 JAMA actually showed less heart disease in the women taking unopposed estrogen (they had hysterectomies and were not given the synthetic progestins). These same results had already been published 2 years previously in a calcium score study by Budoff in J Womens Health 2005. Animal studies with monkeys show that bioidentical estro
