What causes asthma? What does an asthma attack feel like? Why do some people with asthma use inhalers? This book examines asthma and how people are affected by it. Find out why people with asthma sometimes have difficulty breathing and what are some of the triggers that set off asthma. Read about current treatments for asthma and new research into a cure. Get the facts about what it is like to live with asthma every day.