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 ...

Mercey Livingston is a health and wellness writer and certified Integrative Nutrition Health Coach. She's written about fitness and wellness for Well+Good, Women's Health, Business Insider, and ...

Ask anyone about the most convenient cardio option that comes with no hefty gym membership, costly workout gear, or any other pricey baggage — and they’ll write you an essay on running. It’s the most ...

We may earn commission from links on this page, but we only recommend products we love. Promise. Let's be real: Sometimes you just don't have the energy to bang out a full workout, whether it's a five ...