吸烟对人类健康的危害,已经引起了医学界及全社会的广泛关注。吸烟有百害而无一利!这是近二十多年来,世界各国的医学专家通过大量深入细致的调查研究工作,所得出的一个客观科学结论。医学界人士普遍认为,吸烟是引起慢性支气管炎、肺气肿、肺心病及肺癌等呼吸系统疾病的主要病因;同时,也是诱发冠心病及其它一些心血管疾病 The harm of smoking to human health has drawn wide attention from the medical community and the whole society. There are hundreds of harmful smoking without benefits! This is an objective scientific conclusion drawn by a large number of in-depth and meticulous investigations and studies by medical experts all over the world in the recent two decades. Medical community generally believe that smoking is the main cause of chronic bronchitis, emphysema, pulmonary heart disease and lung cancer and other respiratory diseases; the same time, it is also induced coronary heart disease and other cardiovascular diseases