A healthy dose of cardio is an important part of your exercise routine, and for a lot of us, "zone 2" cardio is going to make ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When I first started running seriously, I thought I had to be out of breath and dripping sweat with my ...

Sometimes exercise turns out to be easier than you think. And I'm delighted to report that that's the case for Zone 2 cardio. As a professional procrastinator and all-round top-level fitness shirker, ...