Auricular Vagal Nerve Stimulation for Hypermobile Ehlers-Danlos Syndrome

Inclusion Criteria: * Children aged 10-18 years old * Children with functional upper GI complaints and clinical suspicion for hEDS or HSD as well as a Beighton score of at least 4/9 * Children with functional upper GI complaints and clinical suspicion for ANS dysfunction * De-identified data from our prior studies (IRB #689519 and IRB #1064187) of patients with functional GI disorders who do NOT meet criteria for hEDS will be used as a comparison group * Children who are English-speaking and lack other explanation for symptoms * Children willing to participate and consent to this study (for children, have a parent willing to participate) Exclusion Criteria: A) Exclusion Criteria applying to all participants: * Medically complex children or those who take a medication or suffer from a disease that can explain symptoms will be excluded from participation in the study. * Adult subjects, children or their parents who have significant developmental delay (will be excluded due to difficulties in accurately completing the questionnaires and assessing symptoms) * Patients with findings of organic disease such as peptic ulcer disease, H.pylori gastritis, celiac disease, inflammatory bowel disease, allergic disorders, metabolic disorder or any other chronic condition or medication that may cause chronic GI symptoms will be excluded from the study. * Patients who are treated with a new drug affecting the central nervous system in the two weeks prior to enrollment will also be exclud…