英语翻译人类吸烟已达数百年历史,现在仍在全世界流行,吸烟与健康的关系成为人民讨论的焦点.目前,被大家广泛接受的是吸烟有害

Smoking has reached several hundred years of human history,are still popular around the world,the relationship between smoking and health of the people and the focus of discussion.Currently,the widely accepted by everyone smoking is harmful to health,but in some respects,there is a smoking or benefits.This paper on the harmful ingredients of smoking,the health effects of smoking and secondhand smoke hazards a brief exposition,and also mentioned the benefits of smoking and its future prospects.