The autonomic nervous system is essential to our health. Its three branches help us adapt to the external environment, maintain a state of balance under various conditions in the environment, and process any type of physical and psychological stress. When the autonomic nervous system malfunctions, a person can develop a number of symptoms and signs that result in a disorder.

There are many autonomic disorders, but the most common ones are postural orthostatic tachycardia syndrome (POTS), vasovagal syncope and orthostatic hypotension. POTS is a disorder of the autonomic nervous system which can result in abnormal heart rate, blood pressure, digestion and perspiration, among other issues.

POTS can best be described as an orthostatic intolerance, because symptoms occur when standing up from a reclining position and are relieved when sitting down.

"The symptoms of POTS are numerous," said Svetlana