If you want to boost your cardio fitness, you’ve got two ways to level up your workouts: push harder or faster, or keep at it for longer. Each option comes with its own challenges. The first can ...

Should you do cardio or strength training first in your workout? It depends on your goals. Find out when to do each and when ...

If you're slightly intimidated by -- or not really into -- cardio workouts but still want to burn calories and lose weight, you're not alone. Running, swimming and cycling are all great cardio ...

Plus, exactly how to get results from whatever activity you love to do.