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根据不久前在天津召开的第二届全国肿瘤学术会议指出,80％以上的人类癌症是由环境因素造成的,因而完全可以避免和预防,利用肿瘤流行病学的干预方法能够大幅度降低癌症的发生率和死亡率。 目前,已知的环境致癌因素有某些化学致癌物质(如砷、铬、石棉等无机物和亚硝胺、多环芳烃类、芳香胺、苯等有机物)、包括人类居住环境中的化学致癌物(如某些农药、工业及交通工具排放的废气,废水、废渣,燃煤的空气污染等),不良生活习惯的
According to the second National Conference on Cancer held in Tianjin recently, more than 80% of human cancers are caused by environmental factors, so they can be completely avoided and prevented. The use of tumor epidemiological interventions can significantly reduce cancers. Incidence and mortality. At present, known environmental carcinogenic factors include certain chemical carcinogens (such as inorganic substances such as arsenic, chromium, and asbestos, and nitrosamines, polycyclic aromatic hydrocarbons, aromatic amines, benzene, and other organic substances), including chemical carcinogenesis in human living environment. Substances (such as certain pesticides, emissions from industrial and transportation vehicles, waste water, waste residue, coal-burning air pollution, etc.), unhealthy habits