Study of Antioxidant and Placebo Effects on Blood Vessel Health in Adults With or Without Mental Health Disorders

What this Trial Is About

This research study explores how oxidants, which are substances produced in the blood that can harm blood vessel function, affect blood vessels in healthy adults and those with mental health disorders such as posttraumatic stress disorder PTSD and generalized anxiety disorder GAD. The study aims to better understand the role these oxidants may play in blood vessel health across these groups. Participants will take part in three separate study sessions over about two weeks at the Exercise Physiology Research Laboratory. During the first visit, they will become familiar with the study procedures, have body measurements taken, strength tested, and provide a blood sample. In the following two visits, lasting 2 to 3 hours each, participants will take either antioxidant pills or placebo pills in a randomized order to assess the effects on blood vessel function. Throughout the study, participants will undergo tests to evaluate blood vessel health in the arms and legs, including blood flow and response to exercise. Researchers will measure vascular function before and after the interventions using tests like the Flow Mediated Dilation and Passive Leg Movement tests. The study includes safety monitoring and will last about two weeks from the initial visit to the final assessments.

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