关于青少年吸烟演示教学.ppt

Two Questions; ;Harm of smoking;Second, smoking damages the brain, intelligence is affected. Smoking makes people feel unconcentrated, there is even a headache, dizziness, gradually, the brain will be damaged so that thinking is retarded, memory is lost. Inevitably it affects students performance,learning and work.;Third, the nicotine in tobacco is a neurotoxin that predominantly affects the nervous system. Subjectively, some smokers feel that smoking can relieve fatigue, keep up your spirits, which is the over excitement of nervous system , in fact, the nicotine-induced euphoria. The excitement of the nervous system appears inhibited. Therefore, the sensitivity and accuracy of the neuromuscular response after smoking decreased.;Fourth, according to the survey, myocardial infarction caused by many factors, such as high fat, high cholesterol, hypertension, diabetes, obesity, alcohol, stress and so on, but the main factor is smoking, so young people should pay enough attention to it.;2.The reasons of youth smoking;;Under pressure for a long time. As young people have more pressure in such areas as study, life, love , lack of knowledge and experience, emotional instability, endurance and the power of regulation are relatively weak, thus promoting them to seek psychological comfort in smoking behavior.;Teacher and respected people continued to smoke. The formation of human behavior is learning, imitation, gradually stereotypes process, young people are in the period of learning and growth, teachers, parents smoking behavior among young people is often misleading and anti-smoking education to convince power drops. The smoking behavior of the film and television heroes, leaders misleads youth smoking .;