In addition to the diffusion and bulk flow theory, other theories have also been proposed, such as the osmoelectric siphon model, which is based on membrane depolarization leading to cell water shedding into the apoplast followed by membrane repolarization and water uptake 43
(Comprehensive review detailing the inter-related roles of B-complex vitamins in cellular metabolism, energy production, and neurological function)
Sometimes, palpitations are related to changes in vagal tone rather than a primary heart problem.[ncbi.nlm.nih] What vagal palpitations feel like You may notice palpitations when youre bending over, straining at stool, coughing, or after a big mealsituations that stimulate your vagus nerve or change pressure in the chest
Chronic alcohol use can lead to increased glutamate release and decreased GABA signaling, resulting in a hyperexcitable state that may contribute to anxiety and depressive symptoms (Hansen et al