Smoking is harmful Smoking cigarettes is very harmful to our health. Studies show that smoking can cause cancer and other health problems. Smoker should give up smoking. In addition to health problem, there are other reasons to give up smoking. First, cigarette is very expensive. It is estimated that a smoker will at least spend more than $400 a year. And ,smoking leaves an off (共 960 字) [閱讀本文] >>