“Electronic cigarettes” that vaporize nicotine juice to inhale instead of smoke from burning tobacco do not deliver as promised, according to research at Virginia Commonwealth University.
“They are as effective at nicotine delivery as puffing on an unlit cigarette,” said Dr. Thomas Eissenberg, at the school’s Institute for Drug and Alcohol Studies.
His study, funded by the federal National Cancer Institute, is the first by U.S. doctors to check the function of so-called “no-smoke tobacco” devices, which are unregulated in the United States for sale or use.
The units are shaped like a cigarette and contain a battery that heats a filament to vaporize liquid nicotine in a refillable cartridge. Smokers buy the devices to get around no-smoking restrictions and to attempt to quit conventional cigarettes.
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Article courtesy cnn.com