According to Harvard researchers, women who eat more than one and a half servings of red meat per day are at a greater risk of developing breast cancer, compared to women who eat less than three servings per week.
Researchers studied the effect of red meat consumption on over 90,000 women as part of the Nurses' Health Study. Red meat intake was assessed using food frequency questionnaires in 1991, 1995 and 1999. Study participants were then followed until 2003.
After the 12 year follow up period, researchers found that more than one and a half servings of red meat a day doubled the risk of hormone receptor-positive breast cancer.
Researchers claim more studies are needed before any conclusions can be made regarding meat consumption and cancer risk.
These latest findings were published in the Archives of Internal Medicine (Vol. 166, pp. 2253-2259).
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