Lung Health and Diseases | American Lung Association

Lung Health and Diseases

Learn how to keep your lungs healthy and get the facts about lung disease symptoms, causes and treatments, as well as advice for managing different lung diseases.

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How Lungs Work

We all breathe in and out anywhere from 12 to 15 times per minute at rest. Learn how lungs move fresh air in and waste gases out of the body.

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Protecting Your Lungs

Every breath you take can affect your lungs. Learn how you can help your body’s natural defense system to protect your lungs.

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Warning Signs

Check out these warning signs, learn how to get the most out of a conversation with your doctor about any symptoms.

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Millions of children and adults suffer from asthma. Learn how to treat and manage asthma to support a normal, healthy life.

Learn more about Asthma


COPD is a serious, chronic lung disease that affects millions of Americans. Learn about about diagnosis and management.

Learn more about COPD


Easily spread from person to person, flu can turn serious for all, not just elderly or those with immunocompromised systems.

Learn more about Influenza

Lung Cancer

A lung cancer diagnosis can be frightening and overwhelming. Find information and support to help through every step of the process.

Learn more about Lung Cancer


A common lung infection caused by bacteria, virus or fungi. Learn more about symptoms, diagnosis and treatment.

Learn more about Pneumonia

Pulmonary Fibrosis (PF)

A disease marked by scarring in the lungs. Tissue deep in the lungs becomes thick, stiff and scarred. As the lung tissue becomes scarred, it interferes with a person's ability to breathe.

Learn more about Pulmonary Fibrosis (PF)

Ask An Expert

Questions about your lung health? Need help finding healthcare? Call 1-800-LUNGUSA.

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