Cardio is good for us. We need both cardio and strength training for basic health, as well as our athletic goals. But what actually counts as cardio? Can you count walking? Lifting weights? Anything ...

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 ...

Few would disagree that cardio, also called aerobic exercise, is good for your health. Of the 10 most common chronic diseases, seven are "favorably influenced by regular physical activity," according ...