When it comes to staying fit, the age-old debate between walking and running continues to divide fitness enthusiasts. Running burns more calories and challenges the lungs, while walking is gentler on ...

If running is difficult, you can still boost your heart health with a short, high-intensity workout featuring simple moves like squats and kettlebell swings.

Cardio exercises have major benefits for your heart, as you probably know. What's more, aerobic exercise can boost your brain health and can even reduce the risk of death. Running is the workout most ...

Lots of ways exist to get a full-body workout with little to no equipment. The one below only requires a place to run and a ...

On number two, she ranked incline walking, which is a zone 2 cardio, as it helps build an aerobic base without the stress response that aerobic exercises usually have. According to Peloton, zone 2 ...

You might have some friends who sign up for races on the reg. They know their half-marathon pace versus their sprint speed, and they have the medals to prove their stellar performances. You might also ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. So where should you ...