This document discusses the many health risks of smoking and benefits of quitting smoking. It notes that smoking causes numerous cancers and can lead to amputation of limbs due to reduced blood flow. Half of all lifetime smokers will die in middle age due to their smoking habit. However, within 20 minutes of quitting, blood pressure drops to normal levels, and after just a few years of not smoking, risks of cancer and heart disease are greatly reduced. The document provides tips for quitting smoking in three steps: preparing to quit, quitting, and staying quit.