Andrew Gifford ME/CFS photos on Nostr: My *hunch* is that the breath holds are dilating micro blood vessels, making me feel ...

My *hunch* is that the breath holds are dilating micro blood vessels, making me feel less-awful, but I'm very under qualified to speculate - more expert speculation would be welcome; https://pmc.ncbi.nlm.nih.gov/articles/PMC10890404/#sec7-medicina-60-00194

And some notes here re who perhaps shouldn't be following the Buteyko method (which can include breath holds); https://buteykoclinic.com/blogs/buteyko-breathing-technique/buteyko-breathing-technique?srsltid=AfmBOopYWRDL71liOfKyjGleRWb7J2VFb5_438bvQwjrz0F5RlFiMfgZ#toc-heading-25