What To Look For In A Portable Oxygen Concentrator:...
There is something… off… about "airplane air." At 30,000 feet, even in a pressurized aircraft, the cabin is only equivalent to about 6,000–8,000 feet above sea level. That lower oxygen level can make the air feel less fresh, and beyond the unpleasant sensation it causes in the respiratory system, it can also lead to medical issues for those who need supplemental oxygen. Moreover, compressed oxygen tanks are strictly forbidden on airplanes, which could spell disaster for those with
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