I'm not one of those chain smokers, hence have no idea what smoking does to you. But I chose to believe at some level it levels out everything. It helps you attain a position where nothing matters. You care about none and world becomes nothing but a wonderful place. Guess something similar is what you feel on gaining spiritual upliftment. This comparison may sound weird but it does hold some relevance. I'm not trying to promote smoking but trying to make a point that smoking is definitely a better practice than pseudo-spirituality. The earlier just kills the physical you while the latter has serious repercussions on the real you.