ANN ARBOR, MI (CBS) – Turns out the most addictive foods are (sigh) exactly what you thought they’d be.

A new study from the University of Michigan found that highly processed foods – think pizza, French fries and chocolate – are the most addictive.

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The research, which is one of the first to study the specific foods that can be held responsible for food addiction, found that those with high BMIs had a tendency to over-indulge when it came to highly-processed foods. Previous studies in animals also concluded that foods with “fat or refined carbohydrates” such as white flour and sugar are capable of triggering addict-like behavior.

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Unprocessed foods like brown rice and salmon were not linked to the same behavior.

“This is a first step towards identifying specific foods, and properties of foods, which can trigger this addictive response,” says study co-author Nicole Avena. “This could help change the way we approach obesity treatment. It may not be a simple matter of ‘cutting back’ on certain foods, but rather, adopting methods used to curtail smoking, drinking and drug use.”

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To read more on the study, click here.