Nathan Bill's in Springfield held a fundraiser on Saturday to support a local woman battling several autoimmune diseases.

Autoimmune Autonomic Ganglionopathy (AAG) is a rare disorder characterized by the immune system mistakenly attacking the autonomic nervous system, specifically the ganglionic acetylcholine receptors.

Dysautonomia refers to a group of disorders ... Some researchers have speculated that POTS may be the result of an underlying autoimmune condition (in which the immune system attacks certain ...