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Beginning in late July, NIH will start introducing a new website experience designed to make it easier to find health information, research, funding opportunities, and other resources. During the transition, you may notice changes to navigation, page layouts, and where some information is located. Learn more in our Frequently Asked Questions.
Learn More Breathe Better®
Millions of Americans are living with lung diseases such as COPD and Asthma. Help them breathe better.
Clinical Trials & Lung Health Research
The National Heart, Lung, and Blood Institute conducts and supports research that expands our understanding of lung biology and how lung diseases start and progress, as well as studies and clinical trials that lead to new and improved ways to diagnose, treat, and prevent lung diseases.
Chronic obstructive pulmonary disease (COPD) is a debilitating lung condition that affects 1 in 8 Americans age 45 and older. More than 16 million Americans have been diagnosed with COPD, and millions more have it but don’t know it. The COPD National Action Plan is the first-ever blueprint for a multi-faceted, unified fight against the disease.