Regular aerobic exercise, without weight loss, improves endothelium-dependent vasodilation in overweight and obese adults.
Mestek ML, Westby CM, Van Guilder GP, Greiner JJ, Stauffer BL, DeSouza CA. Regular aerobic exercise, without weight loss, improves endothelium-dependent vasodilation in overweight and obese adults. Obesity (Silver Spring). 2010 Aug; 18(8):1667-9.