One in four high school teens who have used e-cigarettes have also tried a potentially unsafe new vaping method called "dripping" - dropping e-cigarette liquid directly onto the hot coils of the device to produce thicker, more flavorful smoke - a new study found.
Male, white students who had tried more tobacco products and used e-cigarettes more often were the most likely to try dripping, according to the research. This method is said to make the flavors taste better, and it also give a "stronger hit".
Electronic cigarettes (ECIGs) electrically heat and vaporize a liquid solution to produce an inhalable nicotine-containing aerosol.
Although the study did not focus on the risks and consequences of dripping, Dr. Lewis First, editor in chief of the journal Pediatrics, in which it was published, has nevertheless expressed concern over this practice by adolescents, stating that it could lead to future health risks as well as a stepping stone to more unsafe inhalants.
Though some respondents did not answer all the questions, 1,874 students reported having tried an e-cigarette.
This changes the way e-cigarettes work. One of the primary concerns about e-cigarette use in teens is increased exposure to nicotine, Krishnan-Sarin said.
About 26 percent of e-cigarettes users had tried dripping.
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"The teen brain has been shown especially sensitive to nicotine", Krishnan-Sarin said.
"I didn't know what to expect", Krishnan-Sarin said.
While e-cigarettes may contain fewer toxicants than traditional cigarettes, they do contain chemicals like propylene glycol and glycerin, "which when heated at high temperatures like with "dripping" can produce high levels of carcinogenic compounds like aldehydes", Krishnan-Sarin added.
"Adolescents should not be using nicotine at all", Wilson said.
Sixty-four per cent of the teens admitted they tried dripping to get thicker clouds of vapour so they could pull off smoke tricks. "They like that they can do these novel things with them". The California Department of Public Health released a report today that calls E-Cigarettes a health threat and suggests that they should be regulated like regular cigarettes and tobacco products. "The FDA has asserted its authority, but now they need to move forward with product standards".
"All vapor products, including those that do not contain nicotine, should be kept out of the hands of youth". Pediatrics. Feb. 6, 2016, http://dx.doi.org/10.1542/peds.2016-3224).