For patients struggling to breathe because of acute respiratory failure, clearing mucus from the airways is a routine part of ...

Asthma is the most common chronic airway disease worldwide, imposing substantial clinical, societal, and economic burden.

This review focuses on the effects of altitude exposure from 1 to several days or weeks as occurs in tourists, trekkers, and mountaineers who visit high altitude and normally reside near sea level. We ...

Similarly, the appearance of low δ 13 C signatures in the upper ocean at a wide number of locations globally during the deglaciation 7, 15, which is usually taken as evidence for the re-ventilation of ...