https://www.frontiersin.org/articles/10.3389/fneur.2017.00250/full
https://www.ncbi.nlm.nih.gov/books/NBK53082/
https://en.wikipedia.org/wiki/Bohr_effect
https://en.wikipedia.org/wiki/Oxygen%E2%80%93hemoglobin_dissociation_curve
https://www.reddit.com/r/buteyko/
https://www.normalbreathing.org/wp-content/uploads/2019/07/image-o2-transport.pdf
https://biofeedbackneuroscience.com/wp-content/uploads/newsletters/2003/bsc_spring_2003.pdf