全球有11亿烟民,其中8亿多在发展中国家,中国就有3.5亿烟民,是全世界最大的烟草消费国。如此严重的吸烟行为,其后果就是导致肺癌等与吸烟密切相关疾病的高发及由此引发的沉重社会经济负担。我国每年死于吸烟相关疾病约100万人,每年因癌症死 There are 1.1 billion smokers worldwide, of which more than 800 million are in developing countries and China has 350 million smokers, making it the world’s largest tobacco consumer. The consequence of such a serious smoking behavior is the high incidence of diseases closely related to smoking, such as lung cancer, and the heavy social and economic burdens caused thereby. About 1 million people die from smoking-related diseases each year in our country and die each year from cancer.