Smoking has significant negative health impacts both for smokers and those around them due to secondhand smoke exposure. It causes numerous cancers and other diseases. Cigarettes contain over 60 carcinogens including tar, carbon monoxide, hydrogen cyanide, and metals. About 19,000 Australians die each year from smoking-related diseases. The document provides 25 tips for quitting smoking such as making a plan, avoiding smoking triggers, and changing routines to reduce cravings. Quitting smoking improves health and quality of life.