Jan
19
No Getting Around It: Calories Count
January 19, 2007 |
No matter how you look at it, there’s no avoiding it: If you’re trying to trim your waistline, you have 
to count your calories, and take in fewer than you use. In the first of a three-part Early Show series on nutrition Thursday, medical correspondent Dr. Emily Senay observed that while there’s all sorts of advice available about the foods to eat to lose or avoid gaining weight, the bottom line remains the same: Calories do matter.
She explained that a calorie is a unit of energy. There’s a complicated mathematical formula that defines exactly what constitutes a calorie. The number of calories in a food represents how much energy the food supplies to our bodies. That energy fuels our muscles, our nervous systems, our digestive systems, and our senses and brains.
If we have any calories left after all those functions are taken care of, the body stores the excess as fat. And that, in simple terms, is how we gain weight. No Getting Around It: Calories Count, Senay: To Lose Weight, You Still Have To Burn More Than You Take In - CBS News
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