She also noted that a recent study at Virginia Commonwealth University found that e-cigarettes offer poor delivery of the drug smokers crave.E-cigarettes vaporize liquid containing nicotine.
同時,她也指出,維吉尼亞州立大學最近發(fā)現(xiàn),電子香煙對于減弱吸煙者的煙癮作用甚微。而電子香煙是利用氣化內部含有的尼古丁的液體的原理制成的。
But the Federal Drug Administration has concerns about chemicals in e-cig cartridges, and the recent Virginia study says that besides possible health dangers, the battery-powered butts deal a weak dose of nicotine.
盡管如此,美國聯(lián)邦食品藥物管理局已經(jīng)著手研究電子香煙中的化學成分,而維吉尼亞大學最近的研究報告宣稱,電子香煙不僅對人體存在潛在的傷害,而且還會讓使用者攝入微量的尼古丁。