Dysautonomia describes a group of disorders characterized by dysfunction in the autonomic nervous system (ANS). Your ANS is responsible for involuntary functions like heart rate, blood pressure, digestion, and temperature control. People with dysautonomia can feel a wide variety of symptoms depending on the type of disorder they’re dealing with, but dizziness, extreme fatigue, and brain fog are common. Living with dysautonomia can be disorienting and frustrating. Even though over 70 million peop