In the U.S., recent reports estimate that 5.9% of youth and 4.5% of adults currently vape. This proportion varies worldwide, however. In Britain, an estimated 7.8% of youth and 11% of adults vape. Vaping nicotine is addictive, and more and more research is being done to find out how best to quit. On Jan. 8, 2025, a team of specialists on tobacco use and health policy published a report that draws together the available scientific evidence on how best to support people to quit vaping nicotine.