世界无烟日英语作文：smoking is harmful and healthy "_1200字

　　 A small smoke, endanger ten thousand myriad. Smoking is equal to prodigal oneself health, shorten oneself life. Smoking is harmful and healthy 　

　　" smoking is harmful and healthy " 　

　　this is how clear caution, how well-meaning advice! Cigarette resembles " invisible killer " , it is in casual a health that damages you, gobble up your life. There also is such person beside us, know perfectly well smoking ill health, but he still smokes. Do you know 　 ? In the aerosol of the generation when smoking, have a variety of 3000 harmful material. Endanger among them the biggest is nicotine. Tar and carbon monoxide. The nicotine in a smoke is OK kill with poison a small white rat. Absorb 40-60 milligram nicotine the person dies possibly. The person that smokes for a long time suffers from chronic tracheitis easily. Coronary heart disease, suffer from even on lung cancer. Tar is nicotian flaming child, among them a variety of cancer make thing. The harmful material in cigarette body can enter their body insensibly, the neurological, respiratory system that destroys them. If be mixed for a long time cigarette " intimate contact " the immune force that can reduce human body, make memory drops likely still. The nicotine in cigarette has direct destruction to vitamin C action, because of smoking may prevent human body to be absorbed to it. If human body is long-term devoid vitamin C, get likely scorbutic. 　 did not smoke again please! A small smoke, endanger ten thousand myriad. Smoking is equal to prodigal oneself health, shorten oneself life. Let us have a smokeless beautiful season!