This document provides information to help smokers quit smoking. It discusses how nicotine is highly addictive physically and mentally. Withdrawal symptoms can occur when quitting due to nicotine addiction and can include cravings, irritability and sleep issues. However, health benefits are seen quickly, such as improved lung function within weeks. Long term benefits include greatly reduced cancer and heart disease risks after 10-15 years of not smoking. Quitting can add years to one's life and improve health. Support is available to address both the physical and mental parts of nicotine addiction.