香烟烟雾中已被证实含有4 000多种化学物质,其中包括50余种致癌物以及一氧化碳等有害物质,众所周知吸烟有害健康。然而,日常生活中部分人不直接吸烟,而是与直接吸烟人群处于同一环境中,被动吸入一定量的香烟烟雾,即被动吸烟。研究结果表明被动吸烟危害身体健康,被动吸烟与心血管病病死 Cigarette smoke has been confirmed to contain more than 4,000 chemicals, including more than 50 carcinogens and harmful substances such as carbon monoxide. It is known that smoking is harmful to health. However, some people in daily life do not smoke directly, but are in the same environment as the direct smokers. They passively inhale a certain amount of cigarette smoke, that is, passive smoking. The results show that passive smoking harm to health, passive smoking and cardiovascular death