Physicians refer to a long list of 25 reasons why the autonomic nervous system is not functioning properly in cases of COVID-19. The lack of thiamine, vitamin B1, is one of them. Intravenous thiamine/B1 therapy increases oxygen consumption. https://www.ncbi.nlm.nih.g... But entire explanations of how to treat long-term autonomic dysfunction in COVID-19 cases, including shortness of breath, don’t even mention vitamin B1, https://www.rcpjournals.or... which is not used till the patient is in the intensive care unit. Modern medicine casts a blind eye towards vitamin therapy. It is not mentioned in report after report. https://www.frontiersin.or... https://respiratory-resear... https://www.lewrockwell.co...