People can become addicted to eating for its own sake but not to consuming specific foods such as those high in sugar or fat, research suggests.
An international team of scientists, including researchers from Aberdeen, has found no strong evidence for people being addicted to the chemical substances in certain foods.
The brain does not respond to nutrients in the same way as it does to addictive drugs such as heroin or cocaine, the researchers say.
Instead, people can develop a psychological compulsion to eat, driven by the positive feelings that the brain associates with eating.
This is a behavioural disorder and could be categorised alongside conditions such as gambling addiction, say scientists at the University of Edinburgh.
They add that the focus on tackling the problem of obesity should be moved from food itself towards the individual's relationship with eating.
The study, which examined the scientific evidence for food addiction as a substance-based addiction, is published in Neuroscience & Biobehavioral Reviews.
To read more of this article by Joanne Milne, go to: http://medicalxpress.com/news/...sugar-fat-drugs.html
Full article in Neuroscience & Biobehavioral Reviews: "Eating addiction", rather than "food addiction" better captures addictive-like eating behavior
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