In a new study published online ahead of print in the European Journal of Cancer, researchers found that dietary alpha-carotene and beta-carotene were inversely associated with risk of breast cancer among smokers and among women not taking dietary supplements. This is interesting information to include in your daily/monthly newsletter, and to consider in marketing initiatives - for example, consider a women-friendly angle when marketing certain products.
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Article Abstract:
Summary: In a population-based cohort study involving 36,664 women who completed a questionnaire and were then followed up with for 9.4 years, during which time 1,008 were diagnosed with incident breast cancer, dietary alpha-carotene and beta-carotene were found to be inversely associated with risk of breast cancer among smokers and among women not taking dietary supplements. While dietary carotenoids were not found to be significantly associated with the risk of breast cancer overall, dietary alpha-carotene and beta-carotene were found to be inversely associated with risk of ER-PR-breast cancer among ever smokers (multivariable RR=0.32 for alpha-carotene and 0.35 for beta-carotene). In addition, among women who did not take dietary supplements, increasing intakes of alpha- and beta-carotene were associated with decreasing risk of breast cancer. The authors conclude, "These findings suggest that dietary alpha-carotene and beta-carotene are inversely associated with the risk of breast cancer among smokers and among women who do not use dietary supplements."
SOURCE: "Dietary carotenoids and risk of hormone receptor-defined breast cancer in a prospective cohort of Swedish women," Larsson SC, Bergkvist L, et al, Eur J Cancer, 2010 Jan 27; [Epub ahead of print]. (Address: Division of Nutritional Epidemiology, The National Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden).
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