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That was the formaldehyde study, although the study that found VG broke down into Dihydroxyacetone did the same thing. Their starting wattage was the max recommended for the coil they used, and that coil was a CE4 style cart.

It's not only the cigarette industry it's also the pharmaceutical industry.
When I vaped (I quit 5 years ago) we were generally warned against using cotton, Silica was by far the most popular when I quit smoking and switched to vaping around 15 years ago. Silica was generally considered more safe.

Have all the flavor additives that they add to these vape juices been studied

Argument from ignorance, they have all been tested to be generally safe, and people that work with them all day long in industries and kitchens are exposed to the vapors too.

I vaped for 10 years, if you don't change your coil/wig when it degrades enough to taste bad, you are an idiot.
IDK if you use sub ohm coils or other forms of extreme vaping, but coils don't generally degrade, but they may build up gunk, which can be easily cleaned by burning it off.

But to get the data some studies have shown, you need to REALLY burn the coil, which taste like burned plastic, or like smoking the filter on a cigarette.
It's absolutely awful.

There are many types of vaping, but none of them should make you use overheated coils, unless you make them yourself, and then you are doing it wrong.
Goddam I kind of miss the hobby side of it now. 🙁

The popcorn lung thing is because of diacetyl, which creates a buttery flavor.

Nobody uses diacetyl flavoring anymore.

Both PG and VG are hydrophilic so they can dry out your mouth which can cause dental issues.

That's one of the few legitimate risks of vaping, albeit a low one.

Vitamin E acetate was found in grey market THC vapes as a thickener.

The 2019 panic was mostly caused by kids who got hospitalized, and didn't want to admit they'd been using THC.

Nope, PolyEtheleneGlycol (PG) is the carrier in Ventolin inhalers. Glycerine (VG) is something the body knows how to handle because it's the chemical backbone of triglyceride, the most common form of human fat. VG and PG are the usual bases in ejuice.

Valid point for the majority of flavours though (maybe 1-5% by volume), although mint is likely fine and used in some medical contexts and for some reason tobacco flavour is prescribed in Australia, probably because it's disgusting.

Then you know wrong, they were studied thoroughly for inhalation too, and were approved and used in kindergartens to prevent respiratory diseases. They are still used in asthma inhalers, and in stage fog machines in rooms crammed with people.
None of the branches that use these compounds very heavily have had problems, and they are still used.

The fact that you are so heavily upvoted just shows that people here are extremely ignorant about the issue, but still feel their ignorant opinion has value.

Actually the bases are safe. They were tested extensively for inhalation in like the 50s or 60s.

Were those health studies?
You know the lung problem with asbestos is quite unique, and it may have been unknown back then. If buildings weren't for people, asbestos is very safe regarding fires, and an excellent material in many ways. But it was already in the 60's that we began to ban and remove that shit, exactly because it is harmful to your lungs.

The bases in vaping have been used for instance for asthma inhalers for many many decades and is STILL used for that, and the pharmaceutical industry is pretty heavily regulated. It is also used as stage fog, in fog machines that spew enormous amounts into rooms full of people, with AFAIK no research showing any health problems, for the operators or the musicians or actors that are exposed to it every day.

But for some reason, when it's an e-cig some people suddenly have a knee jerk reaction, and think whatever is inhaled in any way is unhealthy.
Your argument is basically whataboutism, and in that line you could ask yourself, what about the smell of making tea, surely that must be harmful too by your logic. All that tea vapor in the air that you inhale in closed rooms.

Actually it has been shown that people that vape to quit smoking, recover lung functionality faster than any other way of quitting smoking.
So anyone that quit smoking could benefit from using vapes even if they are nicotine free, for a few months.
Also when examined by a doctor, if you are vaping it registers as non smoker when measuring lung capacity.

I started vaping 15 years ago, and I have researched the issue intensively. So no this is not misinformation, you are the one that is uninformed. The number of obviously flawed studies on e-cigs is insane.
It is also funny how you completely fail to show anything wrong with my post, but just make a blanket statement without any real argument.