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Anything going into the lungs besides atmospheric air, and specific medications, is potentially inflammatory. At best, the VOCs (in vaping) do absolutely nothing in either direction. At semi-worst, they cause low-grade inflammation, and worst-case they cause chemical pneumonitis.

However, by comparison, tobacco smoke is like "what if we could engineer the perfect lung assailant."

Tar causes inflammation, damages DNA directly, intercalates DNA and induces replication errors, collapses alveoli, and paralyzes cillia, making clearance of all those chemical assailants from the lungs even harder.




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