Understanding Asthma

All About Asthma
Asthma is a chronic, inflammatory lung disease with recurrent breathing problems.
Allergy and Asthma Statistics
More than 22 million Americans have been diagnosed with asthma. Find out other facts and figures on this chronic disease.
Don't Rule Out Adult-Onset Asthma
Women are more likely than men to have asthma. Women also have more asthma attacks.
What Is Nocturnal Asthma?
Nocturnal asthma, also called sleep-related asthma, can happen at any hour during sleep, but symptoms worsen at night.
Anatomy of the Respiratory System
The respiratory system includes the nose, pharynx, larynx, trachea, and lungs.
Asthma Terms to Know
It's important to understand common terms used in asthma management.
Your Asthma Health Care Team
An entire team of health care experts is on hand to help people with asthma manage their symptoms and continue to live normal, active lives.