[bozhark]

Perhaps the saturation level of your area’s pollution in lungs and other body parts inhibits the ability for COVIDs effects to materialize

[DiggyJohnson]

Are you being serious?

[thedailymail]

In the early days of the pandemic it was widely reported (erroneously) that tobacco smoking was protective against SARS-CoV-2. I don't know if OP was thinking along such lines, but it would be understandable if they were.

https://www.nature.com/articles/s41533-021-00223-1