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据世界卫生组织估计,人类癌症的60～90%是由于环境因素所引起,可能约有半数的妇女癌症及30%的男子癌症,直接或间接与饮食有关.以美国为例,在每年七十多万癌症患者中,半数以上是源于饮食.一九八三年,加利福尼亚大学生化系主任艾米斯教授指出,饮食虽是人体致癌的一个重要因素,然而许多食物却含有自然抗癌物质,只要注意均衡膳食,癌症是可以预防的.
According to the World Health Organization, 60 to 90% of human cancers are caused by environmental factors, probably about half of women’s cancers and 30% of men’s cancers, directly or indirectly related to the diet. In the United States, for example, More than a million cancer patients, more than half of which is derived from the diet.In 1983, Professor Amis, director of the Department of Biochemistry at the University of California, pointed out that although diet is an important factor in human carcinogenesis, many foods contain natural anti-cancer substances, Just pay attention to balanced diet, cancer can be prevented.