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Q&A Is there any evidence that the small canisters (10 liters) of 95% oxygen actually help with altitude sickness?

In Colorado outdoor stores its not uncommon to see these small canisters of 95% percent oxygen that's sold to help people cope with high altitude. Is there any evidence that these actually help wi...

3 answers  ·  posted 5y ago by Charlie Brumbaugh‭  ·  last activity 5y ago by System‭

Question high-altitude