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 ...
Cardio is more than just running laps or hopping on a bike. It's any movement that gets your heart pumping, your body sweating and your energy levels soaring. Whether you're chasing a weight loss goal ...
From machines to at-home HIIT, these workouts maximize calorie burn to help you lose weight and keep it off. Efficient, high-intensity, varied cardio burns more fat than steady-state, low-intensity ...
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 ...