The document discusses factors that influence human and animal food intake and eating behaviors. It covers an overview of literature on psychology of eating, comparing human and animal research and differences between scientific studies and media. The document also examines factors influencing food preferences, such as taste exposure, flavor-flavor pairing, and flavor-nutrient learning. It concludes with references on emotional eating, why people eat what they eat, psychology of eating and drinking, and biological, environmental and psychosocial influences on human eating motivation.