Well thought out! I guess we all re-examine our motives for smoking as often as a new data-point comes to the fore, in trying to understand just how much risk we each can run as we continue our habitual self-deconstruction.
Somehow, there just might be some knowledge that, once grasped, might give us power over that steady decline in health, with some way to enjoy the positives of smoking, while side-stepping the destructiveness.
This reminds me of the potato.
As they grow wild in the Andes, potatoes are poisonous. If your going to eat them, cooked or not, you're gonna get sick. The natives knew this, but who can resist a good baked potato? (I can't).
But then, Incas discovered that if you mix the cooked potato with clay, the poison is neutralized, yet the potato is still delicious.
Perhaps we are seeking that knowledge-equivalent of said clay, for our tobacco; hoping to find the secret that lets us enjoy smoking minus the gnawing certainty of our diminishing well-being.
It is good to have you back; ditto Marcus.