Linked from
The 17 pages that link to Oxygen therapy, each with the reason it gives.
InhalationRelated: Supplemental oxygen enters the body when it is inhaled.
Oxygen toxicityRelated: Excessive concentrations or prolonged treatment can cause pulmonary injury.
ChalcogenBroader topic: Oxygen’s biological necessity also makes it a direct therapeutic agent.
Liquid oxygenRelated: Liquid oxygen can supply portable systems that convert it into breathable gas.
BronchodilatorCompared with: It supports oxygenation but does not itself reverse airway narrowing.