Supplemental oxygen is commonly used in modern medicine and is fundamental to the treatment of hypoxemia. This print supplement and the related video focus on the administration of supplemental oxygen ...

Long-term treatment with supplemental oxygen has unknown efficacy in patients with stable chronic obstructive pulmonary disease (COPD) and resting or exercise-induced moderate desaturation. A total of ...

Earth's atmosphere wasn't always full of life-giving oxygen — it was once a choking mixture of carbon dioxide and other gases, more like the atmosphere of Mars or Venus. It's widely believed that the ...