Examining the Impact of Exercise Training on Vascular Dysfunction in Individuals With Mental Health Disorders - Study 1

The purpose of this research study is to examine the role oxidants, substances produced in the blood that can damage blood vessel function, may play in blood vessel function in healthy individuals as well as individuals with mental health disorders (posttraumatic stress disorder (PTSD) and/or generalized anxiety disorder (GAD)).

Inclusion Criteria: * apparently healthy and free of overt cardiovascular, pulmonary, or metabolic disease * for PTSD group, a score of ≥ 33 on PCL-5 checklist * for GAD group, a score of ≥ 10 on the GAD-7 self-report scale and \< 33 on the PCL-5 checklist * for Healthy Control group, a score of ≤ 10 on the GAD-7 self-report scale and \< 33 on the PCL-5 checklist Exclusion Criteria: * taking medications that could influence cardiovascular function * current smokers who have recently quit smoking * illicit drug use or excessive alcohol consumption * pregnant women * significant calorie restriction or vitamin/mineral deficiencies * limited English proficiency