 [ Symptoms ] what are the treatments for shingles [ Disease ] most helpful answer yes moderate smoking is still harmful that is like asking how much poison should i take every day before it becomes harmful you are nearly a non smoker so why not just go all the way and stop completely stopping things that you enjoy are difficult i know but in the case of cigarettes there are really no safe limits secondary smoke and even third hand smoke has been found to be harmful so even a pack a week is going to cause problems over time clearly the more cigarettes that you smoke the worse your risk becomes while you are pleased to have cut down our 12 pack a day habit to a pack a week you need to do your body one more favor by stopping altogether you can do it