Can a human survive 3 days with no food?

Answer 1

The longest time a male has survived without food or water is 42 days and was later rescued.
The man was in a forest and became trapped in a cave by the cause of a rock fall.

Answer 2

Yes, but cannot go any further than a week or so without food.

<-- Actually most people can go several weeks without food as long as they are drinking water.

Answer 3

Depends on the climate. You may go 2-4 days without water. Food, 30-80 days with water, no food, minimal physical exertion, depending on body mass.