From sprints to incline walking, the data shows which workouts burned the most fat – and it's good news for runners ...

Cardio (also called cardiovascular exercise or aerobic exercise) is an important part of staying physically fit. During cardio, your heart beats faster, pumping oxygenated blood throughout the body.

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. So where should you ...

Steady-state cardio has fitness influencers in a chokehold. But now some are questioning whether it’s actually the smartest ...

The cardio craze has ebbed and flowed for decades. At various points in time, it’s felt like everyone is obsessed with cardio-based workouts—and doing a lot of them—from step aerobics in the ’80s to ...