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Burning carbon chains and directly afterwards ingesting it into the lungs has been proven to be quite bad, it does cell and tissue damage and hinders a healthy cell respiration. Is there any reason we should expect worse effects from vaping which, as I understand it, if done correctly doesn't produce harmful carbons?

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There is reason to consider this a possibility, since many molecules may be potentially harmful when inhaled as vapor, with unknown health effects (ie vitamin E acetate), but under combustion would deteriorate mostly or entirely into the carbon forms that have well understood effect on health -- as a previous commenter mentioned, 10yr lifespan reduction from long term continuous cigarette use.

There is just not longitudinal data available for vaporizing plants or synthetic nicotine/thc concentrates. It could be an even higher lifespan reduction than smoking!

> with unknown health effects (ie vitamin E acetate)

The effects of Vitamin E Acetate is actually well known and thoroughly documented. It's just that these black-market producers don't care.

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