You tak notic in som placs, youll s th fact that most smokrs ar young popl and vn som ar middl school studnts. It is said that in China th numbr of th popl smoking is about 0.3billion. Why do so many popl smok? Som think that smoking is plasur, som bliv that thy can rfrsh thmslvs by smoking. In fact, smoking is a bad habit, which has grat harm to poplhalth. Th study of smoking shows that many kinds of illnsss hav somthing to do with smoking. Smoking itslf is a wastr. It costs on so much mony, Bsids, many firs ar causd by carlss smokrs. Today mor and mor popl all ovr th world want to giv up smoking. If your mot a smokr, dont start.