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Eating full-fat dairy products after a diagnosis of breast cancer could worsen your prognosis, say US researchers.
A 12-year study of more than 1,800 breast cancer survivors found eating one or more portions of full-fat milk, cream, cheese or yogurt a day was associated with higher mortality.
But eating low-fat dairy was not found to reduce the risk of death or the chance of the cancer returning.
Cancer Research UK said the study had "severe limitations".
Previous studies have shown that higher lifetime exposure to the hormone oestrogen is linked with breast cancer, the researchers wrote in the Journal of the National Cancer Institute.
http://www.bbc.co.uk/news/health-21803580
A 12-year study of more than 1,800 breast cancer survivors found eating one or more portions of full-fat milk, cream, cheese or yogurt a day was associated with higher mortality.
But eating low-fat dairy was not found to reduce the risk of death or the chance of the cancer returning.
Cancer Research UK said the study had "severe limitations".
Previous studies have shown that higher lifetime exposure to the hormone oestrogen is linked with breast cancer, the researchers wrote in the Journal of the National Cancer Institute.
http://www.bbc.co.uk/news/health-21803580