吸烟是影响人体健康、长寿的大敌。但由于吸烟有害怍用的科学证据不力,宣传不够深入,以致一些人至今认为吸烟有益无害,吸烟人数尤其是青少年吸烟人数和被动吸烟人数仍在增加,在一些国家和地区吸烟已成为一大公害。为使全球人人健康,WHO Smoking is the enemy that affects human health and longevity. However, due to poor scientific evidence of harmful use of tobacco, propaganda is not deep enough that some people think that smoking is beneficial and harmless to date. The number of smokers, especially the number of adolescent smokers and passive smokers is still on the rise. Smoking has become a big issue in some countries and regions Pollution. To make everybody healthy all over the world, WHO