What Is a Calorie Deficit? Calories are a measure of the amount of energy in food. All of the cells in your body require energy in order to work properly, just like a car needs fuel. They get that ...

A calorie deficit is when you burn more calories than you consume. Research suggests that a 500-calorie deficit may help with weight loss. But this number depends on many factors and is different for ...

Calorie density is a measure of the calorie content of food relative to its weight or volume. It is also called energy density and is usually measured as calories per 3.5 ounces (100 grams) of food.

People with overweight or obesity may use a low calorie diet to lose weight. However, there are some potential risks to following a low calorie or very low calorie diet plan. This article will define ...

If you've been following a low-calorie diet and splurged one day, you may be surprised to find that you didn't gain any weight. Some dieters do this on purpose. This is often called calorie cycling or ...

If you have been advised to go on a low-calorie diet, you may be scratching your head trying to understand exactly what it entails. Since there is no true definition of the term “low-calorie diet,” ...