Hunger

For the novel Hunger by Knut Hamsun, see Hunger (novel). For the 1983 horror film, see The Hunger. See also Hunger (disambiguation). Hunger is a feeling experienced by animals when the glycogen level of the liver falls below a certain point. The usually unpleasant feeling originates in the hypothalamus and is released through receptors in the liver and stomach. An average nourished human can survive about 50 days without food intake, but only three days without fluids. Hunger can als ...