doi: 10.1073/pnas.1718185115 57
in Handbook of Cannabis and Related Pathologies 401412 (Elsevier, 2017)
The combined e-cigarette and cigarette use in 2014 far exceeded what we would have expected if teens were simply substituting cigarettes with e-cigarettes
However, we know from our previous research that second-hand smoke can remain in a home at harmful levels for more than five hours after a cigarette is smoked one hour isnt enough to clear the air
The researchers discovered that the thermal decomposition of two common solvents in e-liquids that are vaporised by e-cigarettes propylene glycol and glycerine leads to emissions of significant levels of 31 harmful chemical compounds
Kosgodage US, Mould R, Henley AB, Nunn AV, Guy GW, Thomas EL, et al