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香烟中约含有4 000种化合物,主要有害物质有一氧化碳,氰化物、尼古丁和焦油等。吸烟除直接吸入香烟的主流烟外,还吸入因点火而燃起的副流烟,后者含有更多的尼古丁和一氧化碳。吸烟的价值,除有心理上的意义外,最近证明对帕金森氏病还有抑制发病的效果,但其它则都是有害的报告。本文从阐明烟草的主要成分及其在体内的动向入手,着重综述吸烟对全身和眼的影响,以期有益于提高对戒烟的认识。
The cigarettes contain about 4,000 compounds, the main harmful substances are carbon monoxide, cyanide, nicotine and tar. Smoking In addition to direct inhalation of cigarette mainstream smoke, but also inhalation of ignition due to the sidestream smoke, which contains more nicotine and carbon monoxide. The value of smoking, in addition to being psychologically significant, has recently been shown to have an inhibitory effect on Parkinson’s disease, but others are all detrimental reports. In this paper, the main components of tobacco and its dynamics in the body start with a focus on the impact of smoking on the whole body and eyes, with a view to help improve awareness of smoking cessation.