This document discusses the health benefits of quitting smoking. It notes immediate benefits within 20 minutes such as lowered blood pressure and pulse rate. Within 48 hours, nerve endings begin to regenerate and senses of taste and smell improve. Within a few weeks, circulation, lung function, and energy levels increase. Long term benefits are realized within 1-15 years and include reduced risk of cancer, heart disease, and lung cancer equivalent to nonsmokers. Resources for quitting smoking are also provided.