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.

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

To maintain your weight, you may need to consume the same amount of calories you burn. It can help to use an online calculator or learn the equation to determine the amount. Your metabolism and the ...

For some, tracking every single calorie when trying to lose weight might not be the best option. Instead, tracking macronutrients might be the better solution. Sometimes there are options like healthy ...

Body mass index (BMI) and waist circumference are two measurements that can help determine a healthy weight range for you. A doctor also considers your overall health and risk factors. Stepping on a ...

The recommended target for protein intake increased from 0.8 g/kg/day to 1.2-1.6 g/kg/day in 2026. Individual protein requirements vary by age, sex, and physical activity.