Goodness, is this more common than it seems? Happened to me in my mid twenties, same build. I remember talking to the doc (thank goodness it went away with oxyg

Goodness, is this more common than it seems? Happened to me in my mid twenties, same build. I remember talking to the doc (thank goodness it went away with oxygen for a few days) who said "Yup, this stuff just happens to otherwise healthy males your age. No one's really sure why." Was a little unsettling.