经过多年的宣传,吸烟的危害性已家喻户晓,它能引起许多疾病,如肺炎、哮喘,甚至于降低寿命。烟草中含有尼古丁,有人做过试验,把一滴尼古丁滴在狗舌上,狗就会在几分钟内死亡,如把尼古丁滴入鼠眼内,白鼠立刻失明,全身中毒。若把50克到75克尼古丁注入人体,就有瞬间致命之虞。吸烟的危害绝不是危言耸听。 After many years of publicity, the dangers of smoking are well known. It can cause many diseases such as pneumonia, asthma, and even reduce life expectancy. Tobacco contains nicotine, it was tested, a drop of nicotine dripped on the dog tongue, the dog will die within a few minutes, such as the nicotine drip into the mouse eye, the mouse immediately blindness, systemic poisoning. If 50 grams to 75 grams of nicotine into the human body, there is an instant fatal danger. The dangers of smoking are by no means alarmist.