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- Nov 2022
but you'll notice something when you hold 00:10:21 your breath and look at your oxygen levels they don't go anywhere for a very long amount of time it takes a couple minutes for your oxygen to really be hitting some some serious levels of 00:10:34 deficiency
This is validating... I did this with Wim Hof and a heartrate/O2 monitor, and it was nice to be able to see the levels through the breathing and holds.