Cigarette smoking is the single largest preventable cause of death and illness in the industrial world and accounts for 4.9 million deaths worldwide every year. This guide gives plenty of practical advice in a clear and eloquent style, along with current information about the effects of smoking on the body, of smoking cessation and the myths about smoking and quitting. The authors, both acknowledged experts in the field, have produced a concise handbook that should prove valuable to anyone who ever records smoking as a vital sign.