A just-released study reexamines whether the body compensates for exercise by conserving energy elsewhere—and why diet may ...

Burn more, weigh less. Sounds simple, right? Not exactly. A new study is challenging conventional wisdom about exercise and weight loss, suggesting your workout may not burn as many calories as you ...

Though bodybuilders and runners usually take different approaches towards physical fitness, each gets something positive out of their efforts. "The most important exercise for each person is the ...

There's been a movement to focus on how physical activity makes you feel in recent years—and for good reason. Recent research points to the mental health benefits of exercise, including its effects on ...

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

Ready to transform your body and feel more energized than ever? If your goal is to burn calories efficiently and optimize ...

Experts break down why working out isn’t the best way to burn calories.

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. One of the benefits of ...

Think carefully before running or cycling in the heat of the day If you’re tired of spending hours on the treadmill with minimal results, it’s time to discover the exercises that deliver maximum ...