"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." In the past, chronic obstructive pulmonary disease (COPD)—a lung condition that limits airflow into your ...
The Global Initiative for Chronic Obstructive Lung Disease, or GOLD, is the world’s preeminent COPD research and advocacy organization. Founded in 1997 in collaboration with the U.S. National ...
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