Tobacco products contains nicotine and other harmful toxins. Nicotine is addictive and can lead to dependence. As a result, the process of quitting smoking can be difficult due to nicotine withdrawal. Smoking cessation, mostly called quitting smoking or stopping smoking, is the process of discontinuing tobacco smoking. Smoking cessation greatly reduces the risk of heart disease, cancer, lung disease, and premature death. There are options and resources to help people with smoking cessation.