作者: Lawrence H. Kushi , Marilyn L. Kwan , Marion M. Lee , Christine B. Ambrosone
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摘要: With increasing longevity and more effective cancer therapies, the population of survivors is increasing. For example, it estimated that there are over 2 million breast in United States. Among their families, substantial interest whether anything they can do beyond conventional therapy to improve prognosis. Chief among these diet use complementary alternative therapies. Despite this interest, surprisingly little known about effects factors on survival. This part because usual approach research human populations. Studies have had food nutrition as a main focused almost exclusively etiology prevention; literally hundreds such studies. Meanwhile, studies populations after diagnosis rarely considered lifestyle factors. Such largely therapeutics, different chemotherapy regimens, or prognostic factors, stage disease, hormone receptor status, gene expression signatures To extent been focus prognosis studies, often aimed at question impact quality life, not influence survival recurrence. There handful physical activity principal focus. In addition randomized trials, Women's Intervention Nutrition Study (WINS) Healthy Eating Living Study, least 5 ongoing prospective cohort Although differ various aspects, all examining differences may result recurrence mortality rates. One study, Pathways study began recruitment participants early 2006. unique enrolling women soon practical, whereas other generally enrolled completion adjuvant later. promise provide some first objective information regarding serve models for cancers.