Defining the Relationship Between Biomarkers of Oxidative and Inflammatory Stress and the Risk for Atherosclerosis in Astronauts During and After Long-duration Spaceflight (Cardio Ox): Cristoforetti performed her Return – 15 day (R-15) Cardio Ox ultrasound, with Virts assisting as the on-orbit operator. Following ultrasound scans of brachial and carotid arteries and of the heart, blood …






