No matter how long you have been smoking or what health problems you face, quitting will improve your longevity and quality of life. Quitting will cut your risk of cancer, chronic obstructive pulmonary disease, heart attack, strokes and more. Many smokers give up the notion of quitting after a failed attempt or two. The difficulty of quitting is undeniable. But using the right tools and finding good support for the decision is what has propelled millions of former smokers through the perils of quitting to a life of better health and breathing easier.