Hunger
Body signaling need for nourishment.
Classical Definition
A physiological drive state arising from energy deficit, mediated by hormones including ghrelin (appetite-stimulating) and leptin (satiety-signaling), characterized by sensations of emptiness, stomach contractions, and motivational urgency to seek food. It is regulated by hypothalamic circuits integrating peripheral metabolic signals.
About
Pure bodily signal. No story required.
In the Body
Stomach contractions, hollow sensation in abdomen, lower blood sugar signals from gut to brain.
Sources: Basic physiology
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