One dire warning against vaping that pops up again and again is particulate matter measured in the vapor. And that particulate matter is known to be dangerous. But what is really behind that scientific sounding scarecrow?
Solid Particulate Matter!
When ordinary people hear and read about “particulate matter” it’s usually in the context of tiny solid nasties. Some even carcinogenic. Like diesel soot, asbestos fibers, coal dust, and of course smoke. In German this association is even more firmly entrenched. Here the term is “Feinstaub”, literally “fine dust”. The smaller these agents of destruction are, the deeper they infiltrate the lungs, take up permanent lodging, and wreak their havoc. It’s the bad stuff you can see turning filter pads a sickly brown.
Liquid Particulate Matter?
We almost never heard it mentioned when people talk about fog (real or theatrical), steam (cooking or sauna) or the aerosol of medical inhalers. Not…
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