Exercise is known to benefit heart health. High-intensity interval training (HIIT) that combines aerobic exercise with ...

HIIT can help improve speed and power, but longer, steadier workouts that you can do regularly, like swimming and rowing, are ...

A recent study from Australia suggests that high intensity interval training may be optimal for body composition in older adults, by helping to lose fat while preserving muscle.

For your speed workout, try a fartlek run/walk: After a walking or easy running warmup, run hard for 30 seconds or as long as ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Doing HIIT workouts can improve your cardiovascular and ...

Coaches explain why indoor running can make base training more achievable in winter, plus how to structure a four-week base ...

Plus, the surprising benefits of turning the intensity down a notch.

You arrive at the gym and find yourself at a familiar crossroads: Turn this way for the weight room, or that way for the cardio deck. You planned to do both—but which should you do first? Does it even ...