The American Journal of Clinical Nutrition study found that the brain was left wanting more after eating the dessert in the same way that a drug addict craves cocaine.
Dr Kyle Burger, who co-wrote the study, explained that food containing “high-fat” or “high-sugar” altered the way that the brain responded to food.
"This down-regulation pattern is seen with frequent drug use, where the more an individual uses the drug, the less reward they receive from using it," he told the Daily Telegraph.
In the study, 151 teenagers were shown a picture of a milkshake. All of the participants “craved” the milkshake but the researchers found the young people who had consumed more of the dessert in recent weeks enjoyed it less.
Dr Burger explained this was the same reaction that a drug addict felt because the user was failing to match their “earlier experience” and would therefore consume more to attain that pleasurable feeling.
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