> your whole premise (toxicity of pure oxygen) My premise is that any amount of supplemental oxygen without the antidote for oxygen toxicity worsens outcomes.

> your whole premise (toxicity of pure oxygen) My premise is that any amount of supplemental oxygen without the antidote for oxygen toxicity worsens outcomes. For example, I mentioned how doctors are realizing that COPD patients don't necessarily benefit from supplemental oxygen. (Edit: editing my piece I understood what you meant. I have reworded that opening paragraph to say "Modern doctors sometimes decide their patient's tissues are low on oxygen and prescribe various amounts of supplemental oxygen.") > modern medical practice! Aggressive use of oxygenation has been studied and is consistently found to worsens patient outcomes [0]. There should be no controversy, but aggressive oxygenation is a common treatment in modern medical practice. Maybe you know why this is the case? [0] Mortality/morbidity: acutely ill adults liberal vs. conservative Oxygen Tx(2018) (thelancet.com) - https://news.ycombinator.com/item?id=22993262 https://news.ycombinator.com/item?id=22993262