Atrial fibrillation is usually not life threatening, but can be dangerous if it causes the ventricles to beat very fast (NHLBI 2011b)
The chemistry of vitamin C under physiological conditions is the chemistry of ascorbate anion AscH
Tachyphylaxis Rapid Exhaustion of the Readily Releasable Pool : The primary neurobiological mechanism driving acute stimulant tolerance is the rapid exhaustion of the readily releasable pool (RRP) of synaptic vesicles (Kaeser and Regehr, 2017
Conversely, diverse microbiomes rich in fiber-fermenting bacteria produce short-chain fatty acids (SCFAs) such as butyrate and propionate
Skarpanska-Stejnborn A, Pilaczynska-Szczesniak L, Basta P, Deskur-Smielecka E, Woitas-Slubowska D, Adach Z
We have quite a few, but the main ones are the H1, H2, and H3, and the H4 receptors