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Video: Scientists Have Found A Link Between Milk And Breast Cancer
Scientists have found a link between milk and breast cancer
Scientists have linked the consumption of cow's milk to an increased risk of developing breast cancer. It turned out that even a quarter of a cup of milk can affect the likelihood of disease.
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Scientists have linked the consumption of cow's milk to an increased risk of developing breast cancer. It turned out that even a quarter of a cup of milk can affect the likelihood of disease. Scientists spoke about their findings in the International Journal of Epidemiology.
“Drinking just a quarter or a third of a cup of milk a day was associated with a 30% increased risk of breast cancer. With an increase in the amount of milk to a cup, the risk increases to 50%, and for those who drink two to three cups a day, it is 70-80%, "said Gary Fraser, co-author of the study.
Fraser noted that the study provides "fairly strong evidence that either cow's milk or other closely related factors increase the risk of breast cancer."
According to scientists, modern recommendations for the use of milk should be treated with caution. The Russian Ministry of Health recommends the consumption of 340 kilograms of dairy products in terms of milk per year. In the US, the RDA is 711 milliliters of cow's milk per day.
Scientists estimated how much milk was consumed by 53,000 women who were followed for eight years. Their diet was analyzed in several ways: using questionnaires and data on food intake for 24 hours.
The study found no link between soy milk consumption and breast cancer. But cow's milk has shown a greater link to disease. The results were not different for whole and skim milk. Yogurt and cheese were not associated with cancer risk.
Scientists note that these findings may partially explain why vegans, but not lacto-ovo vegetarians, have a lower risk of breast cancer.
One of the possible reasons for the link between milk and the risk of developing breast cancer may be the sex hormones that cow's milk contains. Breast cancer is sensitive to the action of hormones. It is important that about 75% of dairy cows are pregnant. In addition, some studies have linked the consumption of animal proteins to an increase in the production of several factors that are associated with cancer.
“Milk does have some positive nutritional qualities. But you need to take into account their relationship with other, not so necessary effects. Our work indicates an urgent need for further research,”says Fraser.
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