How long can a Adult Person survive without food?

Question

How long can a Adult Person survive without food?

Answer 1

In the first 3 days, the body is still using energy from glucose. After that, the liver starts processing body fat. After 3 weeks the body enters in "starvation mode". At this point the body "mines" the muscles and vital organs for energy. There are examples of hunger strikers dying after 50 to 70 days of strike.

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http://en.wikipedia.org/wiki/Hunger_stri...

Answer 2

Depends on how much stored body fat a person have. Someone who's fifty pounds overweight is going to last longer than someone who's ten pounds underweight.

Assuming that the person is getting enough water, they can go for a couple of weeks (again, depending on how overweight/underweight they are), and then the body starts taking from your inner organs. The person will die usually after 2-3 months.