<qa>  What is the name of the study that is designed to test cardiovascular control in clinically healthy humansStudy Design and Overview of Procedures This study is designed to test cardiovascular control in clinically healthy humans. There will be 2 separate, scientifically distinct experimental trials that will be conducted in lean and obese subject: 1 EDD or 2 Rapid Onset Vasodilator ROV, which studies the immediate increase in blood flow at the onset of exercise. 