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Analysis Finds DDT, PCBs Not Linked To Higher Rates Of Breast Cancer.
2001 JUN 21 - (NewsRx Network) -- Scientists who combined data from five large breast cancer studies have found no link to the pesticide DDT or to PCBs, a widespread industrial chemical.
Both were suspect because they are chemicals in the environment with similarties to estrogen, the so-called female hormone associated with a risk of breast cancer.
The five studies were funded in 1993 by the U.S. National Cancer Institute and the U.S. National Institute of Environmental Health Sciences (NIEHS) among women in the northeastern United States. None had shown a link between either DDT or PCBs and the Northeast's elevated rates of breast cancer. But some scientists thought the studies might simply hay been too small and that their combined data might reveal such associations, at least for some subgroups of women.
That explanation now has been dashed as scientists analyzing the combined data also concluded that neither exposure explains the high rates of breast cancer in the U.S. Northeast. Their results were published in the May 16, 2001, issue of the Journal of the National Cancer Institute.
The women in the five studies totaled 1,400 breast cancer patients and 1,642 controls. Two of the studies were conducted among women in New York state, one was in ...
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...premenopausal. Key words: breast cancer, DDT, Great Lakes, PBDEs, PCBs, sport-caught fish...between body burden of PCBs, DDT, and/or DDE and risk of breast cancer with inconclusive results...The mean level of PCBs and DDT/DDE in adipose...
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- Newspaper article from: Pesticide & Toxic Chemical News Ament, Lucy November 23, 2000 700+ words
...high incidence of breast cancer in Long Island...polychlorinated biphenyls (PCBs) cannot be ruled...about 9% of total PCBs, appeared to be...increased risk of breast cancer. According to AHF...increased risk for breast cancer in relation to blood...pesticides or of ...
- Environmental toxins implicated in new breast cancer study. (PCBs) (Michigan)
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...industrial toxins known as PCBs may play a key role in breast cancer in women, a researcher...connection between PCBs and breast cancer that hadn't previously...study that showed some PCBs may actually protect against breast cancer by chemically stopping...
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- Newspaper article from: Food Chemical News November 10, 1997 700+ words
Exposure to PCBs and DDT does not increase the risk of breast cancer, according to a...increasing rates of breast cancer," they concluded...claims that DDE and PCBs are very weak estrogens...increase the risks of breast cancer later on in life...introduction of PCBs ...
- PCBs and DDT could be causative agent in breast cancer. (University of Michigan)
- Newspaper article from: Cancer Weekly June 8, 1992 700+ words
...polychlorobiphenyls (PCBs) and pesticides...causative factor in breast cancer. If these lipid...responsible for breast cancer. The multicenter...concentration of PCBs and DDE (a metabolite...amounts of DDE and PCBs in women with breast cancer and controls...
- Study finds risk of breast cancer does not increase with exposure to banned...
- Newspaper article from: Knight Ridder/Tribune News Service McCullough, Marie October 29, 1997 700+ words
...that the risk of breast cancer does not increase...chemicals DDT and PCBs. The study, published...associated with breast cancer,'' Hunter wrote...use of (DDT and PCBs) does not explain...increasing rates of breast cancer.'' Wolff was...
- Breast cancer and environmental estrogens: no link found.
- Newspaper article from: HealthFacts November 1, 1997 700+ words
...higher rate of breast cancer. Two organochlorines...polychlorinated biphenyls (PCBs), have generated...exposure to DDT and PCBs increase the risk of breast cancer. This study...associated with breast cancer. There are good...release of DDT and PCBs in our ...
- Occupational exposure to polychlorinated biphenyls and risk of breast...
- Magazine article from: Environmental Health Perspectives Silver, Sharon R. Whelan, Elizabeth A. Deddens, James A. Steenland, N.Kyle Hopf, Nancy B. Waters, Martha A. Ruder, Avima M. Prince, Mary M. Yong, Lee C. Hein, Misty J. Ward, Elizabeth M. February 1, 2009 700+ words
...polychlorinated biphenyls (PCBs), recent studies...PCB exposure and breast cancer mortality. OBJECTIVES...overall elevation in breast cancer risk after occupational exposure to PCBs. However, the...environmental factors in breast cancer etiology. One ...
- Breast cancer risk and DDT: no verdict yet.
- Magazine article from: Science News Fackelmann, Kathy A. April 23, 1994 700+ words
...playing a rile in breast cancer: polychlorinated biphenyls, or PCBs. In the April 20...pesticide residues and breast cancer. When the researchers...concentrations of PCBs in the blood and risk of breast cancer. Indeed, the preponderance...
- Breast cancer and environmental risks: where is the link?(Features)
- Magazine article from: Journal of Environmental Health Mitra, Amal K. Faruque, Fazlay S. Avis, Amanda L. March 1, 2004 700+ words
...environmental agents in breast cancer. Families of environmental...polychlorinated biphenyls (PCBs). The role of...the etiology of breast cancer. Estradiol promotes...xenoestrogens include PCBs, natural plant...development of breast cancer during adolescence...
Source: HighBeam Research, Analysis Finds DDT, PCBs Not Linked To Higher Rates Of Breast Cancer.