Appetite refers to the desire or urge to eat food. It is influenced by biological factors such as hunger hormones as well as psychological and environmental factors.
Related terms
Ghrelin: Known as the "hunger hormone," it stimulates appetite and increases food intake.
Satiety: The feeling of fullness or satisfaction that helps regulate our eating behavior.
Leptin: A hormone produced by fat cells that signals to the brain when we've had enough to eat.