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世界癌症研究基金会(WCRF)与美国癌症研究院在2007年底发表了研究报告《食物、营养、身体活动与预防癌症》,参与的专家们整理了7000篇顶尖癌症研究,历时5年才完成。报告指出,目前的医学与科技,对于癌症的认识仍有限。虽然知道癌症是正常细胞的DNA发生突变而失控,但是对于为什么会发生突变、为什么是某些器官长癌,以及为什么癌症好发在某些人身上,都还有很多疑团待解。已经证实的是,生活形态与癌症发生密切相关,极少数癌症有遗传基因关联性。美国癌症研究院出版的《癌
The World Cancer Research Foundation (WCRF) and the American Cancer Institute published a study entitled “Food, Nutrition, Physical Activity and Cancer Prevention” at the end of 2007. Participating experts compiled 7,000 top cancer research projects and completed it in 5 years. The report pointed out that current medical science and technology still have limited knowledge of cancer. Although it is known that cancer is a mutation in a normal cell’s DNA and it is out of control, there are still many doubts about why mutations occur, why some organs are cancerous, and why cancer occurs in some people. It has been confirmed that life forms are closely related to the occurrence of cancer, and a very small number of cancers are genetically related. American Cancer Institute published "Cancer