As e-cigs gain in popularity and market share, manufacturers are busy concocting new flavors to inhale—approximately 7,000 so far. While public health experts have been warning of the addictive nicotine in vaping fluids, a new Harvard study looked at the flavors in fluids instead. The study uncovered that of the 51 flavored fluids tested, 47 contained chemicals linked to a dangerous lung disease reports Maddie Oatman.

In fact, three of the chemicals now linked with the disease—diacetyl, 2,3-pentanedione, and acetoin—were first used in artificial butter flavorings—and later identified by OSHA as potentially dangerous in the early 2000s.

Read more at Mother Jones


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