IF YOU WANT to be as fit and healthy as possible for as long as possible, then you need to think of yourself as an athlete. No, that doesn't mean you're suiting up for the Packers on Sundays, or even ...

If you want to build endurance, improve your health, or simply get more out of your workouts without pushing to your limits, Zone 2 training might be what you’re looking for. It’s gaining serious ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." IF YOU WANT to be as fit and healthy as possible for as long as possible, then you need to think of ...