It’s estimated that 70%-90% of POTS patients have an altered bowel pattern.The most common GI symptoms are heartburn, nausea, vomiting, bloating, diarrhea, constipation, and abdominal pain.That’s a pretty high number. Why is this?The enteric nervous system is the part of the autonomic nervous system that is responsible for regulating the process of digestion.As the autonomic nervous system plays a huge role in regulating our bodily functions, an autonomic impairment may also affect the…