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近年来,癌症的发病情况引起了普遍的注意。据报导,现在世界上每年约有五百万人死于癌症,约占世界人口死亡总数的1/6—1/4,例如英国,75岁以下的死者,有1/4是患癌症的,我国每年死于癌症的约有八十万左右,恶性肿瘤在人口各种死亡原因中所占的位次已从解放初期的第十位上升为第二位,仅次于心血管疾病。要攻克癌症,就要攻破病因、治疗和预防“三关”,首先是弄清致癌因素。引起癌
In recent years, the incidence of cancer has caused widespread attention. It is reported that about 5 million people die from cancer in the world each year now, accounting for about 1/6 to 1/4 of the world’s total population deaths. For example, in the United Kingdom, about one-quarter of those under 75 years old have cancer, About 800,000 people die of cancer each year in our country. The number of malignant tumors in the causes of various deaths in the population has risen from the tenth place in the early liberation period to the second place after cardiovascular disease. To overcome the cancer, we must break the cause, treatment and prevention of “three”, the first is to find out the cause of cancer. Cause cancer