This is something that yogis have been saying for 1000s of years, using breathing techniques like 'pranayam'. It's ironic that how until something is promulgated by or studied by a western university it is discredited.
Now we are seeing an explosion in breathing related practices from Wim Hof, to Kelly Starrett and the Navy Seals essentially taking a practice that people have been doing for millennia and making it seem novel.
Now we are seeing an explosion in breathing related practices from Wim Hof, to Kelly Starrett and the Navy Seals essentially taking a practice that people have been doing for millennia and making it seem novel.