With the holiday season a high-risk period for packing on unwanted pounds, the American Chemical Society (ACS) today posted a new video that may lend perspective on this year's battle of the bulge. Produced by the world's largest scientific society, it explains the science behind the calorie counts and other information on those Nutrition Facts Labels on food packages. The video tells the story of how scientists first determined the calorie content of food in the 1800s, and how scientists determine fat, protein and carbohydrate levels in foods today...
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