A broad review of 281 studies from 36 countries concludes that some ultra-processed foods (UPFs), such as soft drinks, ice-cream and ready meals, can provoke the same loss of control, cravings and withdrawal feelings seen with recognized substance addictions. About 14% of adults and 12% of children worldwide show these addiction-like eating patterns, measured with the Yale Food Addiction Scale.
Researchers argue that ultra-processed food rich in refined carbohydrates and added fats reach the gut so quickly, and stimulate dopamine release so powerfully, that they meet key criteria for an addictive substance. Classifying them this way could justify clearer warning labels, marketing restrictions and clinical screening, similar to public-health tools used against tobacco and alcohol.
The authors stress that not every processed food is addictive, and not every consumer is affected. Yet because ultra-processed food now supply more than half of daily calories in countries such as the United Kingdom and United States, recognizing their addictive potential may be essential to tackling obesity and related diseases.
Social, clinical, and policy implications of ultra-processed food addiction (BMJ 2023)
The analysis led by Prof. Ashley Gearhardt reviews existing research and proposes that a sub-group of UPFs behaves like addictive agents. The paper synthesises evidence on prevalence, biological mechanisms (dopamine signalling, gut–brain pathways), and the social costs of addiction-like eating. It calls for policy measures and further trials to test clinical interventions.
American Council on Exercise, “Are Ultra-Processed Foods as Addictive as Drugs?” (December 2023)
A practitioner-focused article explains how the carbohydrate-to-fat ratio of many UPFs may heighten reward responses, summarising the BMJ findings for fitness professionals.
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