Top 10 Most Addictive Foods

by Naomi Tupper on January 30, 2013 · 0 comments

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Most of us can identify with opening up a packet of potato chips with the intention of only eating a small handful to keep you going, only to find that once you start it’s hard to stop.  Many foods have this seemingly addictive effect on us and while this may be caused in part by our own psychology and reasoning, there are also chemical reasons why some foods are more addictive than others.

Food addiction is a real thing and often leads to overeating, particularly of unhealthy foods, which can cause obesity as well as increase risk of lifestyle diseases such as heart disease, type 2 diabetes and even some cancers.

Although more research is needed into the particular effects of certain substances in food on the body and particularly on the brain in humans, evidence suggests that some foods can be highly addictive.

What makes foods more addictive?

Although not all the components of food have been studied in terms of their addictive potential, particularly in processed foods which may have many different combinations of ingredients both natural and synthetic, certain components are thought to contribute to food addiction.

Foods that are ‘hyper-palatable’ or in simple terms very easy to eat because they taste so good, are usually high in fat, sugar or salt, or possibly a combination of all three.  These three ingredients are thought to have addictive qualities, which may explain why addiction is more likely to occur in unhealthy junk foods compared with fruit, vegetables and lean protein.

Overeating sugar is thought to produce addictive eating behaviours, and has been shown to have similar effects on the brain as are associated with drug and drug addiction.  Sugar is thought to cause the release of opioids and dopamine in the brain, two substances that are implicated in addictive behaviours.

Highly salted foods have also been suggested to be addictive as salt is thought to stimulate opiate and dopamine receptors in the brain, triggering a response in the reward and pleasure centre.  It has even been suggested that opiate withdrawal may be responsible for cravings, urges and hunger associated with salted foods.  Aside from this salt acts to enhance flavour, making food more palatable. (see also: How to reduce salt intake)

Animal models have led scientists to believe that foods high in fat can also result in addiction and addictive type behaviours, however the biochemical systems involved may differ somewhat to those affected with sugar intake and the behaviours produced may also be unique.

What are the most addictive foods?

Given what is known about the addictive effects of fat, sugar and salt, it is hardly suprising that foods high in these macronutrients tend to be the most addictive.  Processed or refined foods seem to produce the most addictive behaviours, possibly due to the presence of these nutrients, although there is also a possibility that various synthetic combinations which are present in processed foods may also contribute.

Food addiction expert Ashley Gearhardt from the University of Michigan, a co-creator of the Yale University’s Food Addiction Scale has released a list of what she considers to be the most addictive foods in our diet. 

White Bread

white-breadProducts that contain highly refined carbohydrates such as white bread are not much different from eating sugar as the carbohydrate is broken down to its more basic form, glucose, in the body very quickly.  Less processed carbohydrates, such as whole grain bread, take longer to break down in the body and therefore may have less of this effect.

 

Donuts

donunts
High in fat and sugar, it is not surprising that donuts are on the list of the most addictive foods.  Not only this but are they high in calories and have little nutritional value at all aside from energy.

 

Pasta

pastaPasta and other carbohydrates are thought to boost tryptophan levels in the brain, which can cause sleepiness.  This increase in tryptophan may also boost serotonin levels causing us to feel content, a feeling which we may be keen to replicate, leading to overeating of these types of food.

Cake

cakeBasically sugar and fat in a pretty packet, cake is another food to offer very little nutritional benefit and have potential to be addictive.  Keep them for special occasions and look for healthier sweet treats such as fruit.

 

 

Chips

chipsChips are a vessel for salt and fat and most people have probably experienced their addictive qualities before.  Just look at the slogan for popular brand Pringles, who have gone as far as to use addictive qualities as a selling point, “Once you pop you can’t stop”.

 

Cookies

cookiesHigh in fat, sugar and often salt too, cookies are a bit too easy to overeat.  It has been suggested that even seeing foods that we find tempting can trigger dopamine release, so keep them out of sight to avoid over consuming.

 

 

Chocolate

chocolateMost of the population, particularly women, seem to find chocolate addictive in nature and indeed studies show that there may be reasons for this and that our cravings for this diet wrecker have scientific fact to support them.

 

Chocolate addiction, whilst maybe not as strong as those of alcohol and drugs is considered to be caused by numerous factors, from its pleasant taste and smell to biologically active components such as methylxanthines and niogenic amines, which have the potential to cause psychological changes similar to other addictive substances.

There is also suggestion that women may be more susceptible to the powers of chocolate due to fluctuating hormonal changes.(see also: Is dark chocolate good for you?)

French Fries

french-friesNo surprises here, after all what are French fries?  Carbohydrate that is broken down to sugar coated with fat and salt.

 

Candy

candySugar is thought to have the most addictive properties, with recent researchers comparing the action of this food on our brains to that of cocaine.

 

 

 

Ice cream

ice-creamPossibly one of the most addictive foods out there.  Studies in animal models have suggested that using processed foods high in fat and sugar, such as ice cream, as a reward can rewire the brain so it no reacts to other foods that may have been considered rewarding before, such as fruits.  If the same is true in humans, it would explain the feeling when only ice cream will do the job!

References used in this article

Top 10 Most Addictive Foods by
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Naomi Tupper
About the author

Naomi studied Nutrition and Dietetics and Biotechnology. She is a certified dietician with experience in Type 2 diabetes and menu planning for weight loss. Naomi is a contributor for our Diet and Nutrition sections. You can connect with her on Facebook and Google+

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