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25 million Americans are living with asthma

When you control your asthma, you can lead a full and active life.
#BreatheBetter
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Learn More Breathe Better. A program of the National Institutes of Health

About the Learn More Breathe Better Program

A national health education program that increases awareness and understanding of lung diseases and conditions.
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Information for People at Risk for Serious Illness from COVID-19

Check this CDC page regularly if you are at higher risk for coronavirus.
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Watch Videos on Asthma and its Management

These new videos help explain what asthma is, how it’s treated, and the importance of an action plan.
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Join the Breathe Better Network

The Breathe Better Network is a partnership of organizations from across the country, serving all 50 states and the District of Columbia. The Network conducts outreach to individuals in their community.
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Participate in Clinical Trials

The NHLBI leads or sponsors many studies to advance our knowledge and treatment of lung diseases and sleep disorders—and you can help. Learn more.
Learn more about NHLBI clinical trials
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Advancing the Research on Lung Diseases

Learn how NHLBI conducts and supports research that expands our understanding of lung biology and how lung diseases start and progress.
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Related Initiatives
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Order or Download Educational Materials

Visit the NHLBI Publications Catalog to find a variety of free educational materials you can order or download from the Learn More Breathe Better program.
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National Asthma Education Prevention Program

The NAEPP oversees the development of the asthma guidelines, creates tools and materials to put guidelines into practice, coordinates federal asthma-related activities, and builds partnerships.
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How the Lungs Work

Learn how the lungs work and what happens when you breathe.
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Lung Health Related Topics at NHLBI

NHLBI offers information on a variety of lung-related diseases and conditions.
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Lung Health News and Events

Find the latest stories about NHLBI-funded research and events.