Cardio (also called cardiovascular exercise or aerobic exercise) is an important part of staying physically fit. During cardio, your heart beats faster, pumping oxygenated blood throughout the body.

Plenty of research touts the importance of cardiorespiratory fitness (CRF)—also known as cardio fitness, cardiovascular endurance, and aerobic fitness—as a health marker, as well as an athletic ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you’ve recently started a journey to lose weight safely yet efficiently, doing cardio for weight loss ...