The Persistent Problem of Cystic Fibrosis

Why are people with this disease plagued by lung infections?

1:33pm, January 23, 2002

Breathing is one of those simple, natural acts that usually go unnoticed. Yet breathing rarely comes easily to people with cystic fibrosis. Thick, gooey mucus clogs the lungs of most people with the disease and serves as a breeding ground for bacteria. Chronic infections lead to respiratory failure–typically caused by the usually harm less bacterium called Pseudomonas aeruginosa–which kills most

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