Experts estimate that more than 235 million people around the world suffer from the respiratory condition known as asthma. Readers will get an in-depth look at this common illness as they learn how it attacks the airways of those who suffer from it, making it difficult to breathe. They will also learn about the many possible triggers of asthma attacks, find out how the disease is diagnosed and treated, and much more.

What can it be? -- Making a diagnosis -- The big truth: asthma through the ages -- What causes asthma? -- Treating asthma -- Asthma action plan -- True statistics. .