tobacco uses use: Video, Causes, and Symptoms Tobacco : Behind the Smoke

They make a social-media-friendly, pocket-size device full of a highly addictive substance: teen-agers have been happy to advertise Juul to one another, unpaid

- Cure tobacco, shred it, avoid extra chemicals

"There hasn't been a new smoking cessation medication in the United States in 20 years, so the potential here is exciting," says Megan Piper, professor of clinical psychology at the University of Wisconsin, Madison, in the US, who was not involved in the research

They are urging the FDA to strengthen the enforcement of "illegal" synthetic nicotine e-cigarettes in the American e-cigarette market, as these illegal products are estimated to account for about half of the overall e-cigarette market share