If you smoke, you already know you should quit, and if you've tried to do so, you know how hard it can be. Thankfully, there has been tremendous research on changing the habits that aren't good for your health. Let's go through the keys to success. Change the thinking. In a sense, the part of your mind that wants to smoke tricks you into doing it in three ways. First, it makes you overestimate the immediate pleasure; for example, your mind says that a Salem Cigarettes would be good right now, but in reality, by the fifth puff your mouth is already starting to taste bad once again. Second, it underestimates the future costs: who wants to think about cancer when she has a cigarettes after lunch? Third, it downplays the rewards of doing something that's healthier, like breathing regular air instead of tobacco smoke.