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

Interpreting a food label is a key skill to have.

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 ...

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 ...

Long held up as the big benchmark of nutrition, the calorie is losing its clout in the age of GLP-1s and a sharper focus on nutrients.

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

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 ...

If you’ve ever tried to lose weight, you’ve probably heard about the importance of “calories in versus calories out.” This concept is based on the idea that as long as you eat fewer calories than you ...