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 ...

We accept - typically without much fuss or frustration - the seasonal shifts that impact nature. We expect roses to shed petals and for the sun to reduce its operating hours during winter, but we’re ...

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 ...