There's a right—and wrong—way to follow one.

Experts say the time at which you eat is, on its own, not as significant as some people believe it is. (Getty Creative) Does when you eat really matter? Maybe not. According to new research from Johns ...

Plus, exactly how to get results from whatever activity you love to do.

You’ve heard the saying “calories in versus calories out” when it comes to weight loss. This is referring to a calorie deficit. But what is a calorie deficit, exactly? Basically, you need to take in ...

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. If you want to start ...

Eating fewer calories during the week to save calories for the weekend—also known as calorie banking—can add flexibility, but ...

Is it time to ditch the daily caloric recommendations?

Interpreting a food label is a key skill to have.

I used to come home from spin class completely drenched, feeling like I’d torched a thousand calories just from all that sweat dripping everywhere. Turns out I had it completely backwards about how ...