Haunted by the cystic fibrosis patients he could not help, one Iowa doctor commits his life to understanding what is broken deep inside their cells.
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7 effective home remedies to remove phlegm and clean your lungs
Phlegm buildup in the lungs and throat is a common problem, especially during colds, allergies, pollution exposure, or respiratory infections. Phlegm is a thick mucus produced by the respiratory ...
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