Short bursts of hard exercise are changing what aging can look like. In randomized trials of adults in their seventies, high intensity interval training cut body fat while preserving muscle, measured ...

Whether you love cardio-driven workouts or avoid them like the plague, there’s no denying that maintaining a strong cardiovascular system is essential for overall fitness and longevity. VO2 max is the ...

It’s never too late to start exercising for balance, strength and longevity. But as adults get older, their needs change and not all workouts are ideal for seniors.

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Most solid training plans include a weekly speed workout, often in the form of intervals. But the length of those intervals usually depends on your race distance, training goals, and fitness level.