Engineers address key hurdle for exhaled breath diagnostics

Chronic obstructive pulmonary disease (COPD), a chronic condition that causes increasing difficulty in breathing as it progresses, is the third leading cause of death worldwide. The clinical diagnosis and monitoring of COPD and other pulmonary diseases can be taxing, often requiring blood testing, which can be uncomfortable for patients, or costly imaging procedures, such as CT scans. Additionally, COPD flare-ups can occur unexpectedly and progress rapidly, significantly increasing the risk of death.

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