Smoking kills over 15,000 Australians each year, making it the country's leading preventable cause of death and disease. Cigarettes contain over 4,000 chemicals, including 60 known carcinogens that reach the body's organs within 10 seconds of the first puff, significantly increasing risks of cancers, heart disease, strokes, lung disease, and other serious health issues. The document urges smokers to quit for their health and safety.