RecruitingDietary supplementNitric Oxide (NO) and Endothelial Dysfunction in Women With PTSDThis research study is conducted to better understand why women with post-traumatic stress disorder (PTSD) have higher risk of cardiovascular disease as they get older. This study looks at how trauma and PTSD affect blood vessels in young women by testing whether the dietary supplement beetroot juice might help improve the function of blood vessels in women suffering from PTSD.