For decades, receiving oxygen treatments for conditions such as COPD meant being tethered to bulky canisters of compressed oxygen, which limited mobility and independence. An atmosphere of pure oxygen ...

Obstructive sleep apnea is associated with hypertension, inflammation, and increased cardiovascular risk. Continuous positive airway pressure (CPAP) reduces blood pressure, but adherence is often ...

This Journal feature begins with a case vignette that includes a therapeutic recommendation. A discussion of the clinical problem and the mechanism of benefit of this form of therapy follows. Major ...