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Daily News Blog

Archive for the 'Breast Cancer' Category


29
Apr

Triclosan Linked to the Growth of Breast Cancer Cells

(Beyond Pesticides, April, 29, 2014) According to a recent study published in the American Chemical Society’s (ACS) journal Chemical Research in Toxicology, the chemicals triclosan and octylphenol are linked to the growth of breast cancer cells. Triclosan is an antibacterial and antifungal agent found in numerous commonly known household products. Octylphenol is a commercial solvent that can be found in paints and plastics, and is often used as an inert ingredient in pesticide formulations. Researchers investigated whether these two endocrine-disrupting chemicals (ECDs) contributed to the growth of cancer cells. In their study, Progression of Breast Cancer Cells Was Enhanced by Endocrine-Disrupting Chemicals, Triclosan and Octylphenol, via an Estrogen Receptor-Dependent Signaling Pathway in Cellular and Mouse Xenograft Models, scientists performed both in vitro tests on human breast cancer cells in petri dishes, and in vivo tests via tissue grafts on mice. “Although the doses of EDCs were somewhat high, we did this to simulate their effects of daily exposure, as well as body accumulation due to long-term exposure, simultaneously in animal experiments,” said Kyung-Chul Choi, PhD, co-author of the research. Results of the study established that both triclosan and octylphenol interfered with the genes involved in breast cancer growth. In human […]

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19
Feb

Proposal Will Repeal Pesticide Use Reporting Requirements in New York

(Beyond Pesticides, February 19, 2014) Over 30 environmental and consumer groups in New York are protesting new language in the state’s proposed budget that strips away the requirement that commercial pesticide applicators report where pesticides are used, what kind of pesticides they use and how much. The new reporting regulation will require that sales are recorded at the register, instead of where they are applied, eroding the public’s right-to-know. The law has allowed the public access to summary pesticide  use information at the zip code level, and granted researchers access to confidential pesticide use for analysis. However, the proposed rules, written into the state’s Executive Budget proposal, dramatically restructures the state’s Pesticide Sales and Use Reporting Law, stipulating that the annual pesticide reporting summary release detailed sales – not use – data by county. Opponents of the change say that where things are sold are not necessarily where they are used. The inability to  identify where pesticides are used in the state will undercut the ability to track  associated environmental and health effects. “It will impede the public’s ability to learn about toxic chemical uses where they work, live and play,” said Peter Iwanowicz, executive director of Environmental Advocates of […]

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05
Oct

Report Reviews Links between Breast Cancer and Environmental Exposures

(Beyond Pesticides, October 5, 2010) A new report by the Breast Cancer Fund, a national organization working to eliminate the environmental causes of breast cancer, presents a summary of the scientific data on the environmental causes of the disease. The report catalogs the growing evidence linking breast cancer to, among other factors: synthetic hormones in pharmaceuticals, cosmetics and meat; pesticides in food; solvents in household cleaning products; BPA in food containers; flame retardants in furniture; and radiation from medical treatments. The report also highlights impacts on the most vulnerable populations (including infants, pregnant women, African-American women and workers), and outlines the policy initiatives required to develop a national breast cancer prevention plan. The report, State of the Evidence: The Connection Between Breast Cancer and the Environment, is the sixth edition published by the Breast Cancer Fund. “With each new edition of the report, the growing scientific evidence compels us to act to prevent breast cancer,” said Jeanne Rizzo, RN, president of the Breast Cancer Fund. “This Breast Cancer Awareness Month, our message is clear: we must move beyond awareness to prevention.” The report states that a woman’s lifetime risk of breast cancer is 1 in 8””representing a dramatic increase since […]

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23
Jul

Use of Household Cleaners Linked to Increased Risk of Breast Cancer

(Beyond Pesticides, July 23, 2010) A new study published in BioMed’s online journal, Environmental Health, links endocrine disrupting pesticides and other chemicals in household cleaning products to an elevated risk of breast cancer. Researchers at the Silent Spring Institute in Newton, MA and Boston University found that women who use household cleaners more often have double the risk of breast cancer, compared to women who use household cleaners less frequently. The study includes over 1,500 women selected from Cape Cod, MA and found a correlation between cases of breast cancer and the number of women who reported using household cleaners, particularly solid, slow-release air fresheners when used more than seven times a year, and mold removers when used more than once a week. The antimicrobials, phthalates and alkylphenolic surfactants often found in mold and mildew products are associated with various health and environmental issues. The antimicrobial triclosan for example, can cause skin irritation, allergy susceptibility, bacterial and compounded antibiotic resistance, and dioxin that jeopardizes fragile aquatic ecosystems. The study highlights methylene chloride (in some fabric cleaners), nitrobenzene (soaps, polishes), perfluorinated compounds (stainresistant, waterproof coatings), phthalates (surfactants), alkylphenols (solvents), parabens (preservatives), triclosan, and polycyclic musks (fragrance) as ingredients of concern. Past […]

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13
Feb

CDC Blocks Report On Environmental Hazards In Great Lakes States

(Beyond Pesticides, February 13, 2008) The publication of a federal study undertaken by the Centers for Disease and Control (CDC) has been blocked for more than seven months because it contains “alarming information” of evidence of elevated infant mortality and cancer rates in the region surrounding the Great Lakes.The report entitled, Public Health Implications of Hazardous Substances in the Twenty-Six U.S. Great Lakes Areas of Concern, was commissioned by the International Joint Commission (IJC), an independent organization that advises the U.S. and Canadian governments on the use and quality of boundary waters between the two countries, and compiled by the CDC’s Agency for Toxic Substances and Disease Registry (ATSDR). The report outlines the “areas of concern” in which more than nine million people in major metropolitan areas as Chicago, Cleveland, Detroit, and Milwaukee, face higher health risks from exposure to dioxin, PCBs, pesticides, lead, mercury, or six other hazardous pollutants.Contributors to the report include senior experts from the Environmental Protection Agency, CDC, universities, as well as federal and state researchers. These experts have been reviewing data since 2004 and have found low birth weights, elevated rates of infant mortality and premature births, and elevated death rates from breast cancer, colon […]

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07
Aug

Pre-Adolescents Exposed to DDT More Likely To Develop Breast Cancer

(Beyond Pesticides, August 7, 2007) In a study that examines the influence of age of exposure on the magnitude of the association between DDT and breast cancer risk finds that women who were exposed to DDT before the age of 14 are five times more likely to develop breast cancer later in life. In contrast, the study finds exposure after adolescence does not increase risk. The data used in the study targets the age of a woman in 1945 as an indicator for the youngest possible age for a woman to be exposed to DDT, since DDT was first introduced to the U.S. for mosquito control in 1945. The researchers, from the Center for Research on Women’s and Children’s Health, Public Health Institute at Berkeley, California and the Mount Sinai School of Medicine, analyzed blood that had been collected from women between 1959 and 1967 – years during which the use of DDT was at its highest. “DDT and breast cancer in young women: New data on the significance of age at exposure,” published last week in the online edition of the journal Environmental Health Perspectives, is “the first study specifically designed, a priori, to consider whether age at exposure […]

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15
May

Study Links Everyday Chemicals To Breast Cancer

(Beyond Pesticides, May 15, 2007) According to a study commissioned by Susan G. Komen for the Cure and the Silent Spring Institute, 216 chemicals, many found in urban air and everyday consumer products, cause breast cancer in animal tests. The study, “Environmental Factors in Breast Cancer,” the most comprehensive review to date of scientific research on environmental factors that may increase breast cancer risk, was published in the online version of the American Cancer Society’s journal Cancer on May 14, 2007. The state-of-the-science review collected and assessed existing scientific reports on potential links between specific environmental factors and breast cancer. The researchers synthesized national and international data sources and identified 216 chemicals that cause breast tumors in animals, including ten pesticides. They used the information to create a searchable online database featuring detailed information on the carcinogens. The database, accessible at www.komen.org/environment, is available free of charge. The database includes references to 900 studies, 460 of which are human breast cancer studies that were critically evaluated by the research team. The studies measure breast cancer risk related to body size, physical activity, environmental pollutants, and prospective studies of diet. For each study, bibliographic information, key methods and findings, and a […]

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30
Jan

Study Links Breast Cancer with Pesticides

(Beyond Pesticides, January 30, 2007) Breast cancer groups across the country have a new issue to add to the repertoire of risk factors: Pesticide use. A study published online in the American Journal of Epidemiology has found a strong link between residential pesticide use and breast cancer risk in women. Responding to the study, Susan Teitelbaum, Ph.D., assistant professor in the department of community medicine at the Mount Sinai School of Medicine in New York, says the options are simple”” “Stop using pesticides.” The study, published December 13, is the first to examine the relation between breast cancer and pesticides through self-reported residential pesticide use. Using women from New York, the study looks not at one or two incidents of pesticide contact, but at the impact of lifelong pesticide use in the home, lawn and garden. Using a sample of 1,508 women who were diagnosed with breast cancer between 1996 and 1997, the study compares these women to 1,556 control subjects who were randomly selected. The results show that those women whose blood samples had higher levels of organochlorines are at an increased risk of breast cancer. Organochlorines are a broad class of chemicals, including DDT, dieldrin, and chlordane, and […]

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