E-cigarettes are the most common form of electronic nicotine delivery systems (ENDS) and electronic non-nicotine delivery systems (ENNDS) but there are others, such as e-cigars, e-pipes, e-shishas, etc.
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电子尼古丁传送系统加热液体而产生气溶胶(通常会含有尼古丁),然后被使用者吸入。
ENDS heat a liquid to create an aerosol that typically contains nicotine, which is inhaled by the user.
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气溶胶还含有其他有毒物质,如致癌物质甲醛。
The aerosols also contain other toxic substances, such as formaldehyde which is a cancer-causing substance.
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这些有毒物质对使用者和气溶胶的二手接触者都是有害的 。
These toxic substances are harmful to both users and those exposed to the aerosols secondhand.
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电子烟对健康有害吗?
Are e-cigarettesharmful to health?
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使用电子烟会增加患心血管疾病、肺病和出现其他不良反应的风险。
E-cigarette use is associated with increased risk of cardiovascular diseases, lung disorders and other adverse effects.
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电子尼古丁传送系统往往被用作吸烟的补充而不是替代,尤其是在无烟环境中。
ENDS are often used as complements to cigarette smoking and not as substitutes, especially in smoke-free environments.