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Gerald O'brian

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How much longer can an obese person survive without food?

Water would be supplied.

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  • Ravi Patel

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    Feb 14 2013: One pound of fat is 3500 calories. So take that, divide it by how many calories someone needs a day to live and then go from there. However, be sure to take in account converting fats into a usable from of energy takes energy in of itself, so take that into account.

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