Secondhand exposure from vaping marijuana: Concentrations, emissions, and exposures determined using both research grade and low cost monitors ScienceDirect Secondhand bong smoke worse than that from tobacco, study finds Cannabis The Guardian Nic Sick: The Dangers of Youth Vaping Does Vaping Ruin Taste Buds? Vaper's Tongue Smoker's Tongue NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH)