psilocybin occasioned mystical experiences in the treatment of tobacco addiction Classic Psychedelics Treatment: Case for in Smoking Cessation Potential Therapeutic Effects of Psilocybin
Description
One to nine months after quitting, the cilia in the lungs regain normal function, increasing the ability to handle mucus, clean the lungs, and reduce the risk of infection (ACS, 2015)
But many people who smoke arent willing to make that trade

Chung S, Baumlin N, Dennis JS, et al

The data is somewhat mixed about whether you can smoke while wearing a patch
