I tested a 4-minute workout that claims to replace a full hour in the gym to see if it actually works. At first, it sounded ...

Popular actress Jessica Biel is back in the spotlight, this time, though, for her workout routine. Prizing the Norwegian 4×4 ...

If you're not a morning person, you might want to consider converting for the sake of your workouts—especially if you're trying to lose weight and achieve a lower body fat percentage. To do so, you'll ...

Lack of time is often the main reason people don’t exercise regularly. But a type of interval workout recently popularised by ...

IN THE GOOD intentions vs. reality smackdown that is everyday life, reality usually hits you with the low blow. A rough night’s sleep. A stressful week at work. One of those months when you dined out ...

As HIIT's popularity soars, sprint interval training, or SIT, is doing its best to catch up. Can shorter, harder, faster deliver better results? As the popularity of HIIT continues to soar, sprint ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

The landscape of heart health is experiencing a remarkable transformation through groundbreaking research that challenges traditional exercise paradigms. A comprehensive study from the University of ...