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Airbrushing and spray painting is the biggest cause for concern.
I'm surprised I didn't say more about this (when I commented 2 years ago).
And I think this is what has generated more concern surrounding the use of model paints.
I taught airbrushing for years, and one of the first things I dealt with
was the issues of ventilation, wearing suitable breathing apparatus, and general paint atomization concerns and dangers.
I would say since modelers are really into airbrushing now, you are going to see a lot
more warnings re: paint usage and its dangers.
Anything atomized (sprayed) becomes deadly because inhaling something is far more dangerous than ingesting.
It gets into your blood stream faster, and easier...and it can cause lung damage.
Just filling up your lings with something is bad.
Try breathing in pure water and see what happens.
I primarily used a non-toxic water based Acrylic Airbrush paint for most of my work
and in my instruction/classes...and I always explained that you could drink the paint with no real ill effect...but once you atomize it and breath it in, it can become extremely deadly.
I have a feeling this is where the increased warnings about model paints may come from.
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