Which sport is the overall winner when it comes to boosting cardio fitness? Determining the activity that offers the biggest cardio return for your time investment is far from easy. But for many, ...

If you're combining two types of training into a single workout session, you should (usually) do it like this.

That daily five-mile run might be your mental sanctuary and the cornerstone of your fitness routine, but it could also be secretly undermining your health goals. While we’ve had “cardio is king” ...