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吸烟对呼吸系统的危害尽人皆知,但吸烟还能伤害消化系统,尚未引起人们的重视。香烟点燃后的烟雾中含有多种多环芳香烃致癌物,如3,4苯并芘、苯并荧蒽、二苯并吖啶等,尤以前者量较多。另有萜类化合物,可引发溃疡病。这些毒
The harm of smoking on the respiratory system is well known, but smoking can also harm the digestive system, has not aroused people’s attention. After the cigarette lit cigarette contains a variety of polycyclic aromatic hydrocarbons carcinogens, such as 3,4 benzopyrene, benzofluoranthene, dibenzacridine, etc., especially in the former. Another terpenoid, can cause ulcer disease. These poison