The smokeless tobacco industry that began with low-voltage cigarette look-alikes has evolved to include customizable, high-wattage machines capable of generating enormous clouds of vapor ― and potentially toxic substances.
As the technology continues to change, researchers are finding more evidence that the way vaping devices and e-liquids interact could harm consumers. High-powered devices may overheat vaping liquids to produce toxic chemicals, tobacco experts warn, and the aerosol that is inhaled may be contaminated with dangerous metals from the device.
Although researchers say they still don’t have enough data to know whether vaping devices are less dangerous than cigarettes, Stanton Glantz, a professor of medicine and the director of the Center for Tobacco Control Research and Education at the University of California-San Francisco, said the scientific evidence convinced him that vaping is far from a harmless substitute.
“Nobody knows what’s in any of these products,” said Glantz. “What you’re actually exposing yourself to is not in any way, shape or form standardized.”
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