Long Covid is a complex, multifaceted syndrome that consists of multiple lingering, newly emerging, and delayed symptoms of Covid-19. Many symptoms are not apparent during the initial acute phase of illness and take time to develop. The scientific name of Long Covid is post-acute sequela of Covid or PASC.               The SARS-CoV-2 virus infects cells by attaching to the ACE2 receptor found on the surface of many cell types. Because ACE-2 is one of the most common cellular receptors, it allows viral entry into the cells of all organ systems, including nerve cells. That is why Covid-19 and subsequent Long Covid affect all physiological systems within the body, especially the nervous system.             At least two hundred various Long Covid symptoms have been recorded. A person has Long Covid if at least three or more s...