The Paradox An earlier blog focused on the “renin-aldosterone paradox” in chronic fatigue syndrome (ME/CFS) and postural orthostatic tachycardia syndrome (POTS). The renin-angiotensin-aldosterone system (RAAS) regulates blood volume and a whole bunch of other factors. Given the low blood volume regularly found in ME/CFS and POTS, all three factors of … Continue reading RAS and Bradykinin: Where COVID-19 and ME/CFS Meet?