PG/VG base is exactly the same stuff that has been used in foggers/hazers for decades. If there were negative health effects associated with the stuff, we'd have spotted it long ago. As for nicotine, well, it's the same stuff as in cigarettes, we know about its effects again thanks to decades of research.
The only thing left is questionable flavoring agents and dodgy shops with THC oil vapes (although that kind of contamination is now known and it's been ages since I last heard anything).
>PG/VG base is exactly the same stuff that has been used in foggers/hazers for decades. If there were negative health effects associated with the stuff, we'd have spotted it long ago.
How many people are directly exposed to it daily? Technicians and performers are probably it. Everyone else is very rare so it's possibly any side effects took a while for medical community to pick up on until everyone started vaping.
>At large, vapes are better than cigarettes.
Better yes, they are harm reduction over cigarettes. However, it's not "good" and should be as regulated as cigarettes are.
> There is one study looking at the potential to use PG as a carrier for an inhaled medicine (https://www.ncbi.nlm.nih.gov/pubmed/18158714) and another which mentions that PG or ethanol may be used as a cosolvent (https://www.ncbi.nlm.nih.gov/pubmed/12425745) in nebulizers, but no evidence presented of an asthma inhaler or nebulizer that is actually used today containing PG.
Even then, there's a huge difference between "being on stage with a fog machine", and 3-4 puffs a day of a smaller amount of a nebulizer, than chronic hundreds of puffs a day with vapes.
