Cardio has a reputation for being either loved or avoided but science shows that even cardio-only routines can dramatically ...

A cardio-only routine can transform your heart, brain, and mood faster than you think, but experts warn it may not be the ...

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 ...

Plenty of research touts the importance of cardiorespiratory fitness (CRF)—also known as cardio fitness, cardiovascular endurance, and aerobic fitness—as a health marker, as well as an athletic ...

After years of hyping super intense workouts as the best way to exercise, fitfluencers have recently flipped the script. Now, they’re touting easier, chiller zone 2 training as the key to everything ...

Every now and then, fitness TikTok digs up something that’s been around forever and calls it a “trend.” Earlier this year, ...

Cardiovascular activity is strength training for your heart and lungs, as well as the best way to burn fat. The amount of cardio you should be performing is entirely based on your fitness experience.

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 ...

We may earn commission from links on this page, but we only recommend products we love. Promise. Let's be real: Sometimes you just don't have the energy to bang out a full workout, whether it's a five ...