Heart Rate Variability and Inflammatory Bowel Disease

Inclusion Criteria: * Diagnosis with biopsy-confirmed IBD for at least 4 months, * ages 13 through 18 years inclusive, * speak English, * enrolling with at least 1 parent/guardian who is willing to participate by completing surveys, * positive depression or anxiety screens using the PHQ-4, - access to home internet to participate in virtual intervention, * youth and parent agree to the conditions of study participation, including randomization, participation in intervention, and follow-up assessments, * youth is medically approved to engage in normal daily activities (e.g., attend school, extracurricular activities) Exclusion Criteria: * previous diagnosis of developmental disabilities that require full-time special education or that impair the ability to respond to treatment, * diagnosis with any other chronic disease (e.g., diabetes, epilepsy, etc.), * diagnosis of abnormal thyroid function, * treatment with any drug with known autonomic cardiovascular influences including beta-blockers, central sympatholytic agents, or antidepressants.