Although the popularity and use of e-cigarettes continues to increase, data are lacking on the exposures and potential human health effects of the use of e-cigarettes.( May 2016, the Food and Drug Administration (FDA) announced that it would take over regulation of e-cigarettes and prohibit their sale to minors under age 18. ( addition to the regulation of sales to minors, there are local and state laws that prohibit the use of e-cigarettes in smoke-free environments
Electronic, online, and computer cessation programs have a small but important impact on cessation
OBrien, C.A., Pollett, A., Gallinger, S., Dick, J.E., 2007
The over-the-counter nicotine replacement therapies available in the United States are: Nicotine patches are 3- or 4-inch-wide patches that release a steady dose of nicotine
Nature 409 , 349354 (2001)