Some individuals develop: Orthostatic intolerance Heart rate variability changes Postural Orthostatic Tachycardia Syndrome (POTS)-like symptoms Temperature dysregulation (19) These patterns reflect neuroimmune interaction rather than isolated cardiac pathology
Many People Are Deficient The recommended daily intake (RDI) of vitamin B12 is 6 micrograms per day
Poor sleep, stress, and other factors also contribute to brain fog
Serotonergic modulation in the gut-brain axis Here it gets interesting
doi:10.1684/ejd.2017.3023 39Shen J, Chang J, Mendenhall M, Cherry G, Goldman JW, Kulkarni RP
Puspita L, Chung SY, Shim J-W