Online lung disease resources

Lung Association's lung diseases A-Z list

Lung Diseases

We understand that living with a lung disease, or caring for someone with a lung disease, can be hard. We also know that with the right information and support, people can play an active role in helping manage their disease.

Learn more about specific lung diseases below.


Asthma is a chronic (long-term) disease that makes it hard to breathe. Asthma can't be cured, but it can be managed. With proper treatment, people with asthma can lead normal, active lives.  Learn more about living with asthma.


COPD stands for Chronic Obstructive Pulmonary Disease. COPD is a long-term lung disease usually caused by smoking. COPD includes a few lung diseases: the most common are chronic bronchitis and emphysema. Many people with COPD have both of these diseases. Learn more about living with COPD.

Infectious Diseases (including Flu)

Many lung and breathing diseases are infectious (contagious) - you can catch them from other people. Learn more about how to prevent, recognize, and treat these infectious lung diseases.

Lung Cancer

Lung cancer is cancer that starts in the lungs. Cancer is a disease where cancerous cells grow out of control, taking over normal cells and organs in the body. about lung cancer.

Sleep Apnea

Obstructive sleep apnea is a serious breathing problem that interrupts your sleep. People with obstructive sleep apnea can stop breathing dozens or hundreds of times each night. If it’s not treated, sleep apnea can lead to major health problems, accidents, and early death. Learn more about how to recognize, and treat sleep apnea.


Tuberculosis (TB) is an infectious disease that can affect your lungs and other parts of your body. With proper treatment, people with TB can be cured of the infection. Learn more about Tuberculosis prevention and treatment.

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