针对危险因素早做预防中国医学科学院肿瘤医院防癌科毕晓峰副主任医师介绍说,从大的方面来说,一些因素与癌症的发生密切相关,比如感染、环境污染、吸烟、喝酒、不健康饮食、肥胖等等,有针对性地避免这些外界不良因素的侵袭,改变不良生活习惯,可以降低患癌的风险。具体到某一种癌症,要针对其危险因素进行预防。比如乳腺癌,危险因素包括:遗传因素、婚育影 Prevention of risk factors as early as possible Cancer Hospital of Chinese Academy of Medical Sciences Bi Xiaofeng, deputy chief physician said that from a large aspect, a number of factors are closely related to the occurrence of cancer, such as infection, environmental pollution, smoking, drinking, unhealthy diet, Obesity and so on, targeted to avoid the invasion of these adverse factors, changing bad habits, can reduce the risk of cancer. Specific to a certain type of cancer, we must take precautions against its risk factors. Such as breast cancer, risk factors include: genetic factors, marriage and child shadow