[lunchbucket]

Smoking/smoke inhalation is not safe, it leads to all the bad outcomes you mention, and I encourage everyone to seek out alternatives like oral nicotine pouches and cannabis gummies. They will almost certainly improve your healthspan and may well improve your lifespan. I personally stopped smoking because my wife told me she wanted me around longer. I am all aboard the "smoking is bad for you" train.

But the role of the smoke itself is overemphasized which leads to a false sense of security. Switching from cigarettes to dip does lead to a significant improvement in mortality. But the real step change is moving to oral nicotine pouches, gum, patches, etc.

I'd also point out the risk from campfires and from cigarettes is not at all comparable. They are several orders of magnitude apart. Even smoking marijuana isn't nearly as dangerous as smoking tobacco. (Smoking marijuana is not safe, that just goes to show how ridiculously dangerous cigarettes are.)