"If the current trend continues, tobacco use will cause more than eight million deaths annually by 2030 around the world", noted Sharma.
"This is the greatest single year-over-year increase that we've ever seen in terms of any tobacco products", said Brian King, deputy director for research translation at the CDC's Office on Smoking and Health.
"Vaping products successfully evaded the regulations that reduced youth tobacco initiation over the past 20-plus years, including age restrictions on purchases accompanied by retailer fines, advertising bans, taxes to increase the price, and the restriction on use of products indoors", Ylioja said.
The Centers for Disease Control and Prevention (CDC) on Monday released its annual National Youth Tobacco Survey. The number of high school students reporting cigarette smoking in the past 30 days has dropped from 15.8 percent in 2011, but has been hovering around 8 percent since 2016.
E-cigarettes caused an uptick in tobacco use among America's adolescents in 2018, reversing years of progress on reducing youth tobacco use, according to federal health officials.
The number of young Americans using e-cigarettes grew by 1.5 million in 2018, undermining years of progress in reducing youth smoking, health authorities said Monday.
The US categorises e-cigarettes as tobacco products, a definition not shared by all countries.
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The high school group most likely to use any tobacco product was non-Hispanic white students, followed by Hispanic students, non-Hispanic other race students and lastly, non-Hispanic black students.
"It took us almost five decades to understand the damaging effects of cigarette smoke and we don't yet know the long-term impact of using e-cigarettes".
"Heat not burn" products have been marketed as tasting like "real" cigarettes, but as less harmful.
"From a public health perspective we should be very concerned about what that might mean, especially with the popularity of these pod-based products with incredibly high levels of nicotine in them". FDA Commissioner Scott Gottlieb, MD, added: "These data are a sobering reminder of the rampant rise of youth e-cigarette use".
Battery-powered e-cigarettes heat a nicotine liquid that users inhale, and have been gaining popularity in the United States and overseas.
The latest Vital Sign report is the first to reflect the impact of rising sales of Juul and other copycat products.
Juul vape kits for sale in New York City. E-cigarette youth users were up by 1.5 million users in 2018 and for the fifth year in a row, e-cigarettes were the most commonly used tobacco product. Other federal studies have shown e-cigarette use alone jumped by 77 percent a year ago. The products resemble computer flash drives, can be recharged in USB ports and can be used discreetly - including in school bathrooms and even in classrooms. There was a significant difference between use among high school age students and those in middle school.
The researchers declared no relevant relationships with industry related to this report.