Low-intensity cardio—sometimes called LISS or “zone 2”—is a previously-underrated form of exercise. It’s finally coming back into fashion after spending years on the sidelines while HIIT and ...

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

Few would disagree that cardio, also called aerobic exercise, is good for your health. Of the 10 most common chronic diseases, seven are "favorably influenced by regular physical activity," according ...

Fitness programs can be built around just about anything. CrossFit is based on the philosophy that constantly varied movements performed with moderate intensity improve physical competence. Yoga is ...

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. January 12, 2026 Add ...