The US National Toxicology Program, Report on Carcinogens
The National Cancer Institute
The World Health Organization
The American Cancer Society
Department of Health and Human Services
Breast Cancer Center-EAMC
MaterCare International
Breast Cancer Prevention Institute
National Physicians Center for Family Resources
Ethics and Medics
The International Agency for Research on Cancer
Sources:
"Report on Carcinogens,"
The National Cancer Institute,
The International Agency for Research on Cancer
The Center for Disease Control and Prevention (and here )
The Breast Cancer Prevention Institute
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The role of reproductive and menstrual factors in cancer of the breast before and after menopause
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1 comment:
Studies have consistently shown that using OCs reduces the risk of ovarian cancer. In a 1992 analysis of 20 studies of OC use and ovarian cancer, researchers from Harvard Medical School found that the risk of ovarian cancer decreased with increasing duration of OC use. Results showed a 10 to 12 percent decrease in risk after 1 year of use, and approximately a 50 percent decrease after 5 years of use (5).
This from right here: http://www.cancer.gov/cancertopics/factsheet/Risk/oral-contraceptives
Scroll down to #3.
The use of OCs has been shown to significantly reduce the risk of endometrial cancer. This protective effect increases with the length of time OCs are used, and continues for many years after a woman stops using OCs.
Several studies have found that OCs increase the risk of liver cancer in populations usually considered low risk, such as white women in the United States and Europe who do not have liver disease. In these studies, women who used OCs for longer periods of time were found to be at increased risk for liver cancer. However, OCs did not increase the risk of liver cancer in Asian and African women, who are considered high risk for this disease. Researchers believe this is because other risk factors, such as hepatitis infection, outweigh the effect of OCs.
I realize that it looks very good to only use half of the information, because thats what propaganda is, but if you're actually trying to provoke thought and discussion, present all the information. People aren't that dumb.
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