Treating Anxiety / Headache and TMJ Disorders Associated with COVID 19 with Self-Administered Sphenopalatine Ganglion Blocks (SASPGB). We are living in a period of very high stress and anxiety due to the Corona virus outbreak. Unfortunately, there is excellent research that chronic levels of stress and anxiety and associated sleep disruptions tend to decrease our immune responses. Sphenopalatine Ganglion (SPG) …