Provides a bevy of definitions for calorie from sources like the Oxford University Press and Barron's.

Good overview about calories and how they work.

Keeping track of your calories means you're interested in healthier options. Check out this Web site for delicious recipes under 400 calories - and that's for dinner!

Great website for all your calorie needs: calorie counting tools, fitness, and weight-loss information.

Watch Dr. Emily Senay, health and medical correspondent for The Early Show, discusses the importance of counting calories and the number of calories you should be consuming.

Extensive listing of foods from popular fast food chains. Find out the number of calories in your favorite foods.

You'd be surprised just how many calories you can save by making minor adjustments in your diet ? like 400! Check out this site for healthier, lower calorie options.

Learn how many calories your children should be eating with this informative calorie chart for kids ages two through 18.

Nutritionist expert explains the best way to calculate how many calories you need daily, factoring in exercise, muscle, caloric and digestive needs, and diet.

If you're trying to choose healthier options, check out this site with various foods that equal 200 calories. Would you rather have two wheat dinner rolls or half a Jack-in-the-Box cheeseburger?

A sandwich with more than 1,000 calories? Be careful what you eat dining out, because the calories and portions are aplenty according to some interesting research.