A new study warned that because e-liquids contain the most addictive form of nicotine and many bottles of the liquid are mislabeled as to their level of the drug, they are causing major problems. It comes as a separate study found that gradually decreasing the amount of nicotine in cigarettes did not help smokers to quit.

一项新研究警告称，电子烟油含有最致瘾类尼古丁，很多烟油瓶上标着错误的药物规格标签，这引起了一些严重问题。另有一项研究表明，逐渐减少香中尼古丁含量并不能帮助烟民戒烟。

In a study published in Chemical Research in Toxicology, the team from the American University of Beirut and the Center for the Study of Tobacco Products worked to find the levels of nicotine in the liquids and what type of nicotine they contained.

来自贝鲁特美国大学和烟草制品研究中心的研究小组调查了电子烟中尼古丁含量，以及电子烟含有哪种类型的尼古丁，其研究结果发表在了《化学毒理学研究》上。

 

 

Of the three types of nicotine, researchers found that all the brands of e-liquid they tested were the strongest form - free-base nicotine that is easily absorbed by the body. More significantly, the researchers wrote that levels of nicotine contained in e-liquids often didn't match the label.

研究人员发现，他们测试的所有品牌电子烟含有的尼古丁都是游离态的，这是尼古丁三种类型中药性最强的，且很容易被身体吸收。更重要的是，研究人员称电子烟中含有的尼古丁规格通常和标签不符。

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