Your weight is a balancing act, and calories play a big role. Find out how calories determine your weight and ways you can best cut calories from your diet. Despite all the diet strategies out there, weight management still comes down to the calories you take in versus those you burn off.
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Calories: Fuel for your body
Calories are the energy in food. Your body has a constant demand for energy and uses the calories from food to keep functioning. Energy from calories fuels your every action, from fidgeting to marathon running.
Carbohydrates, fats and proteins are the types of nutrients that contain calories and are the main energy sources for your body. Regardless of where they come from, the calories you eat are either converted to physical energy or stored within your body as fat.
These stored calories will remain in your body as fat unless you use them up, either by reducing calorie intake so that your body must draw on reserves for energy, or by increasing physical activity so that you burn more calories.