People living with dysautonomia have  malfunctioning autonomic nervous systems, which can result in a myriad of symptoms such as fainting, unstable blood pressure, abnormal heart rates, severe gastrointestinal distress, cognitive impairment (“brain fog”), neuropathy (nerve damage), extreme fatigue, low blood volume, blood pooling in the extremities, and even in severe cases, death. Basically the autonomic nervous system controls … More About Dysautonomia