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Feel like you're addicted to pizza? You might be. Cheese is as addictive as drugs, study reveals

Pizza, unsurprisingly, came out on top of the most addictive food list.

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Cheese happens to be especially addictive because of an ingredient called casein, a protein found in all milk products. Photo: Edward Wong

For years you’ve been telling your friends, family, co-workers and anyone who will listen that you’re addicted to cheese. It’s a part of every meal or snack, and you think about it constantly. According to a new study from the University of Michigan, cheese crack is a real thing. And so is your addiction.

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The study, published in the US National Library of Medicine, examines why certain foods are more addictive than others. Researchers identified addictive foods from about 500 students who completed the Yale Food Addiction Scale, designed to measure if someone has a food addiction.

Pizza, unsurprisingly, came out on top of the most addictive food list. Besides being a basic food group for kids, college students and adults, there’s a scientific reason we all love pizza, and it has to do with the cheese.

Margherita pizza: Tomato, Basil Leaves and Mozerella. Photo: Jonathan Wong
Margherita pizza: Tomato, Basil Leaves and Mozerella. Photo: Jonathan Wong

The study found certain foods are addictive because of the way they are processed. The more processed and fatty the food, the more it was associated with addictive eating behaviours.

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Cheese happens to be especially addictive because of an ingredient called casein, a protein found in all milk products. During digestion, casein releases opiates called casomorphins.

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