Asthma is a very serious, widespread, and growing problem in the U.S. Asthma affects over 24 million Americans, and its prevalence has increased 12% in the last decade. This book describes all the essential features of asthma for the general public in an engaging and stimulating manner using the principles of health literacy. Various learning styles are accommodated by the use of videos, illustrations, tables, charts, and boxes that highlight definitions, facts, and website links that provide more detailed information.