Hum, 50% oxygen saturation? My oxygen saturation is 43% and has been for about six years, I am active, swim, walk and hike, dance, basically so as I please.
Listen carefully to exactly what you are being told, do some reliable research, before taking everything you have read or been told as being factual and up to date. I would be dead if I had blindly followed some of the information I was given by medical professionals. I'm