What Causes COPD?

Smoking is by far the main cause of chronic obstructive pulmonary disease (COPD), but it is not the only cause—genetic factors can also play a part. Learn about the lesser-known causes of COPD ›

How Does Air Pollution Affect COPD?

People with respiratory problems such as COPD are more vulnerable to the effects of air pollution, particularly ozone.

How does ozone air pollution form? The sun combines with car and truck exhaust and emissions from plants and factories. This forms ground level ozone, which can build to dangerous levels.

How can harmful levels of air pollution affect you?

Having Trouble Breathing?

Find out what could be causing your breathing problems.

Should You Use an Air Filter?

Air-filter units can help reduce allergens in your house, according to the Environmental Protection Agency and the American Academy of Allergy, Asthma, and Immunology. But they can't work alone.

In addition to choosing the right air-filter unit, continue your efforts to control the sources of triggers, such as encasing mattresses and pillows in dust-proof covers and keeping surfaces such as countertops and floors clean.

Find out what to look for in an air filter

Reference: Lungs, Breathing and Respiration section on Better Medicine

Did You Know?

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Chronic obstructive pulmonary disease (COPD) is a progressive disease that makes it difficult to breathe.