Smoking harms nearly every organ in the body, including the heart, blood vessels, lungs, eyes, mouth, reproductive organs, bones, bladder, and digestive organs. The most common reason current smokers give for not quitting is lack of will-power. This up and down cycle repeats over and over, leading to addiction. Addiction keeps people smoking even when they want to quit. Breaking addiction is harder for some people than others. Many people need more than one try in or...