Includes index.

What is asthma? -- History of asthma -- Increase in asthma -- Who has asthma? -- Healthy lungs -- How asthma affects the lungs -- What triggers asthma? -- Asthma and allergies -- Diagnosing asthma -- Preventing an attack -- Relieving an attack -- What to do during an attack -- Growing up with asthma -- Living with asthma -- Asthma and exercise -- Asthma treatments.