A calorie deficit is necessary to lose weight, which you can achieve by eating less or exercising more. The Mifflin St. Jeor equation estimates how many calories your body needs to function at rest.

You may have noticed that as the years go by, you either need to eat less or move more to feel and look your best. That's because calorie requirements change by age, with your metabolism beginning to ...

Daily diets vary considerably around the world.

It’s a well-known fact that to lose weight, you either need to eat less or move more. But how many calories do you really need to cut out of your diet each day to lose weight? It may be less than you ...

Intermittent fasting and calorie deficits can both be used for weight management and fat loss—in most cases, the most effective eating plan is one you're able to adhere to long term.