Quit for the People in Your Life. By quitting smoking, you are protecting those you love. Smoking not only harms your health, but it hurts the health of those around you: exposure to secondhand smoke increases the risk of lung cancer and heart disease in healthy nonsmokers.
Quit while you're ahead? Smokers who stop by 44 can live almost as long as those who never took up the habit
Smoking is the most preventable cause of death in the United States. Almost one third of deaths from coronary heart disease are attributable to smoking and secondhand smoke. Smoking is linked to about 90% of lung cancer cases in the United States.