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Human Anatomy and Physiology

How Much food does a human consume over a average lifetime?

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September 15, 2007 8:38PM

For a 150-pound person, the average daily consumption of calories would be 12 calories per pound per day x 150 pounds = 1800 calories per day. Now multiply that by the number of days in a lifetime and you'll have your answer. During the first 10 years of life, the number of calories consumed daily is probably less than 1800, but during the teenage years (when the person is growing) it's certainly greater than 1800. So it averages out.