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JFC! There are a bunch of dumbasses in this thread.
From the FDA:
Why 2000 Calories?
When developing the new food label a base for % Daily Values was needed — a new feature to help customers see at a glance the fat and other nutrient content of a certain food. A mathematically simple 2,000 calorie-a-day diet was chosen so that consumers could easily calculate the Daily Values needed for their own diets.
This is the amount of total calories per day that a moderately active adult female (weighing approximately 132 pounds) would need to maintain her weight. However, if you do not fit this description, your caloric needs will vary. It is important, therefore, that you adapt the new food label to make the best choices for your own diet.
Hmm... What's 132 x 15? 1980 calories. 15 calories per day per pound of weight is a good estimate for maintenance. A 200 lb. person needs 3000 calories to maintain their weight.
A 132 lb. woman that consumes less than 1300 calories is considered under nourished. A 200 lb. man that consumes less than 2000 calories is also under nourished. That's fine for a weight loss plan, but detrimental as a "normal" intake of calories.
BTW, if you eat at restaurants you're probably consuming way more calories than you think. There have been several lawsuits brought against food chains that claim "low cal"... but when tested there was nothing low cal about it.
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