Group fitness is changing. What was once largely focused on weight loss and high-cardio exercise for an aggressive calorie burn has evolved to reflect the present-day gym mentality, with a greater ...

Fact checked by Jennifer Klump Key Takeaways A recent study found that HIIT helped healthy older adults lose body fat and ...

Lack of regular physical exercise is recognized by the American Heart Association as one of the key heart disease risk factors, and it is assumed that cardio exercise (walking, jogging, swimming, etc.

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 ...

Ever feel like you need a gym full of fancy equipment to get a decent workout? Think again. There’s a secret weapon in the fitness world that requires zero gear but delivers maximum results. And the ...

Group fitness is changing. What was once largely focused on weight loss and high-cardio exercise for an aggressive calorie burn has evolved to reflect the present-day gym mentality, with a greater ...

Learn how low-impact cardio can reduce stress and build muscle, as one longtime fitness expert highlighted its significant benefits. Low-impact cardio offers multiple benefits, including improved mood ...

Experts detail the best workout for fat loss, heart health and longevity between strength training and cardio, and how to combine both for maximum results. New research suggests strength training can ...

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 ...