Food addiction mechanisms contribute to the development of obesity
Extensive neurobiological and clinical evidence indicates that the brain mechanisms underlying food addiction—such as dysregulated dopamine signaling, heightened reward sensitivity to palatable foods, and compulsive overeating—contribute significantly to the development and maintenance of obesity.
Multiple papers (0, 1, 2, 5, 7, 9) consistently support the claim by detailing the shared neural circuits, dopaminergic dysregulations, and behavioral biases linking food addiction mechanisms directly to overeating and obesity. No papers refute the claim.
Singh M. Mood, food, and obesity.. 2014. https://doi.org/10.3389/fpsyg.2014.00925
The study highlights how food reward and gratification pathways override satiety signals, directly linking compulsive intake habits to morbid obesity.
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Zivjena Vucetic, Teresa M. Reyes. Central dopaminergic circuitry controlling food intake and reward: implications for the regulation of obesity. 2010. https://doi.org/10.1002/wsbm.77
The review examines how hedonic and emotional aspects of feeding override homeostatic balance, utilizing dopaminergic circuitry to explain obesity development.
Kalon E, Hong JY, Tobin C, Schulte T. Psychological and Neurobiological Correlates of Food Addiction.. 2016. https://doi.org/10.1016/bs.irn.2016.06.003
The article notes that food addiction involves consuming highly palatable foods beyond energy requirements, sharing neural correlates with substance addictions.
Atar A. Neurobiological Consequences of High-Fat High-Sugar Diets on the Mesocorticolimbic System: a Narrative Review.. 2026. https://doi.org/10.1007/s13668-026-00729-5
The review details how high-fat, high-sugar diets reshape mesocorticolimbic reward circuitry, promoting tolerance and compulsive consumption that contribute to diet-related obesity.
Amato AL, Gualtieri P, Cirillo M, La Placa G, Frank G, Cianci R, Di Renzo L. The impact of food addiction on the treatment of eating disorders and obesity: A systematic review.. 2026. https://doi.org/10.1016/j.physbeh.2026.115248
The systematic review indicates that food addiction intensifies clinical symptoms and increases resistance to interventions in obesity and eating disorders.
Solinas M, Ingrand S, Chauvet C, Dugast E, Besnier M, Lafay-Chebassier C, Jaafari N, Chatard A. Unhealthy food bias in food addiction: behavioral evidence from a probabilistic image choice task.. 2026. https://doi.org/10.1186/s40337-026-01590-1
The study demonstrates that individuals with severe food addiction or obesity display heightened behavioral bias toward unhealthy food choices.
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