Folate levels linked to survival rates in women with breast cancer

Women with breast cancer who had the highest levels of folate were more likely to survive than women with the lowest levels. In the study, doctors measured total folate levels in 498 postmenopausal women with breast cancer and followed up for 6.7 years. After adjusting for factors such as cancer stage, type of treatment, age at diagnosis, body mass index score, using hormone replacement therapy, alcohol, and
taking folic acid supplements, women with the highest folate levels were 59 percent less likely to have died than women with the lowest folate levels over the follow-up period. Women who took folic acid supplements had much higher circulating levels of folate, which doctors said may have improved their survival rates. 

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