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  1. What Are Calories and How Many Do You Need? - EatingWell

    Aug 5, 2025 · In this article, we break down what defines a calorie, factors to consider when determining your unique caloric intake, the link between calories and body weight, and the …

  2. Counting calories: Get back to weight-loss basics - Mayo Clinic

    Weight control really boils down to one thing — calories. See what steps you can take to win the calorie battle. Even with all the diet plans out there, weight management still comes down to …

  3. Calorie - Wikipedia

    In physics and chemistry, the word calorie and its symbol usually refer to the small unit, the large one being called kilocalorie (kcal).

  4. Understanding calories - NHS

    Calories found in food and drink give you energy to do every day things. Find out why they are important and get tips for being aware of calories.

  5. Understanding Calories | Nutrition, Energy & Metabolism

    Nov 21, 2024 · Learn about calories and kilocalories, how we measure the energy that foods and liquids provide our bodies. And explore how our bodies use that energy.

  6. What are calories? - Live Science

    Oct 28, 2022 · Calories are units of energy that a food or drink provides. You can usually find calorie counts listed on food items, and wearables like the best fitness trackers allow you …

  7. Calories: Requirements, health needs, and function

    Dec 9, 2024 · A calorie is a unit of energy. In nutrition, calories refer to the energy people get from the food and drinks they consume and the energy they use in physical activity.

  8. What are Calories, Really? - calorieclassroom.com

    Learn the real meaning of calories, how your body uses them, and why understanding energy balance is key to fat loss, muscle gain, and health — explained simply.

  9. What are Calories? - fit-and-well.com

    Oct 24, 2024 · What are Calories? Is calorie counting useful in a diet? Are all calories the same (fats, protein, carbs)? Learn all about Calories, food quality, satiety, thermal effect and more.

  10. Calories Explained: What They Are and How Many You Need Daily

    Oct 23, 2025 · A calorie is simply a unit of energy (on food labels, it’s actually a kilocalorie). Learn what that means for your body, how daily needs are calculated, and how to set a realistic …