SUMMARYĮarly food addiction research suggests that sugary foods like chocolate are more addictive than less processed foods. Still, some scientists believe that it’s not enough to rely on subjective self-reported data from tools like the YFAS and that a deeper understanding of food addiction is still needed in order to fully diagnose and treat the condition ( 3, 27, 28, 29, 30). Scientists have been investigating chocolate addictions for over 25 years now ( 24, 25, 26). Similarly, another study including 100 children with overweight identified chocolate as the single most addictive food when using the scale ( 23). One study including more than 500 adults who used this tool found that chocolate was consistently ranked as one of the most problematic foods for addictive-like eating behaviors ( 22). It’s been one of the most commonly used tools by food addiction researchers to date ( 20, 21). The Yale Food Addiction Scale (YFAS) is a tool developed at Yale University to measure food addiction and assess how addictive certain foods may be.
Dopamine is a chemical messenger that plays an important role in your brain’s motivation and reward pathways ( 5, 6, 18, 19). Plus, these changes in blood levels affect dopamine in your body. They also alter your blood sugar and hormone levels in ways similar to other addictive substances ( 5, 11). High carbohydrate foods - including chocolate and other sugary sweets - may cause addiction-like cravings. As you can see, one serving of chocolate may contain up to half the DV for sugar and one-fifth of the DV for fat.
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