More needs to be known about how people use e-cigarettes, to better understand and quantify the health risks in the real world, says an Australian medical researcher.
, my short answer would be “we don’t fully know”.
Our previous research also found 2-chlorophenol in about half of e-liquids users buy to top-up re-fillable e-cigarettes. This is one example of a chemical with no valid reason to be there. Globally, it’s classified as “harmful if inhaled”. Its presence is likely due to contamination during manufacturing.
Toxic metals and related substances such as arsenic, lead, chromium and nickel can be detected in both e-liquids and vapers’ urine, saliva and blood. Often, the levels are very low, leading to proponents of vaping arguing e-cigarettes are far safer than tobacco smoking.
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