U.S. health officials are investigating whether electronic cigarettes may trigger seizures in some people who use the nicotine-vaping devices.
Wednesday it has reviewed 35 reports of seizures among e-cigarettes users, particularly young people. Regulators stressed it's not yet clear whether vaping is responsible. But they said they're concerned and encouraged the public to report information about the issue.
Most e-cigarettes heat a flavoured nicotine solution into an inhalable vapour. The battery-powered devices have grown into a multibillion dollar industry though there are few standards, including how much nicotine they deliver. Additionally, many refillable e-cigarettes can be used with nicotine formulas of varying strength.
The agency said the handful of seizure reports often lack information about the brand of e-cigarette or whether users had a medical condition that might have contributed. In some cases, e-cigarettes were being used with drugs like marijuana and amphetamines. Some seizures were reported after just a few puffs of the device, others after a day or more of use.
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