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Monday 29 October 2012

The Importance of Breakfast for University Students


A scientific review of the importance of breakfast for university students.


What you need to know.

It has been drilled into our heads time and time again that breakfast is the most important meal of the day.  Despite this constant drone of healthiness we (the University student population) constantly miss breakfast for various reasons. We think that the extra 15 minutes of sleep is more important to our "focus" or that cutting back on those early morning calories can help us loses some weight. Sadly the truth of the matter is that breakfast really is the most important meal of the day for a university student due mainly to its connections to one major psychological construct: Willpower.

Breakfast provides the body with glucose which has a direct relation to the amount of willpower a person has (or so the studies seem to say). There are varying theories of how this works, but in general there is a correlation between glucose in the morning and willpower throughout the day.  Willpower is important as it has a direct connection to the ability to focus on a task or resist distractions, both of which are vital to the study habits of a student.

In fact this increased willpower through the day is one of the reasons why people that eat breakfast tend to be at a healthier weight. For a long time it was believed that not having breakfast lead to the body’s metabolism slowing down, but this is a myth as it would take 3-4 days without food for a body’s metabolism to go into “starvation mode”. In actuality people that eat breakfast in the morning have a higher amount of willpower so are less likely to eat something unhealthy for lunch or overeat at lunch to make up for the calories lost not having breakfast.

Now some of our more scientifically minded readers might ask the question: "how does this works exactly?"

To be honest, there is a lot of debate on this subject and no-one knows the answer for sure. 

Basic convention of body energy allocation states that glucose is not used when willpower or self-control is used.  Despite this, many studies suggest a reserve of energy created by glucose that is used whenever willpower is exerted (Gailliot & Baumeister, 2007). This thus suggests a daily supply of willpower/self-regulation that can be depleted throughout the day (perhaps this is why we make our best decisions in the day and our worst at night).  This theory is known as the “Energy Model of Self-control”.

Counter to the above theory is another theory suggesting that glucose activates the dopamine pathways in the striatum (an area of the brain that is associated with responses to rewards), thus readying the body for the possibility of reward (Molden et al. 2012). What makes this study interesting is that it is based on detection of glucose in the mouth and not the presence of glucose in the blood stream. This means one could technically just wash out their mouth with sugar water to bolster their focus or willpower and  suffer no calories or sugar-crash effects from it. Even with this in mind it is important for the body to have a source of slow digesting carbohydrate or you would have to wash your mouth out with sugar fairly often.  This model is known as the “Motivational Effect of Carbohydrates” model.

But the one thing both of these have in common is that there is a definite correlation between glucose and self-regulation/willpower.


So what does this all mean?

Eat a piece of whole wheat toast in the morning and maybe throw in an egg and some fruit juice. Grab a handful of nuts or fruits for an hour later and you should be good. 

Really it is that simple. 

A good slow digesting carbohydrate will allow a gradual release of glucose as opposed to a sudden burst as is the case with simple carbs (White bread, sugar, most breakfast cereals with a cartoon character on the box). This quick burst tends to leads to "super" increased levels of glucose throughout the body, triggering the pancreas to react and release insulin…thus making you sleepy and sapping the glucose out of your blood stream. 

So in short – Eating something good for breakfast can lead to you getting higher grades and losing weight. Really what is there not to love about breakfast?


Websites Cited:


Studies Cited:

Molden D.C., Hui C.M., Scholer A.A., Meier B.P., Noreen E.E., D'Agostino P.R. & Martin V. (2012, October 1).  Motivational versus metabolic effects of carbohydrates on self-control. Psychological Science, 23(10), 1137-1144.

Gailliot, M. T., & Baumeister, R. F. (2007, November). The Physiology of Willpower: Linking Blood Glucose to Self-Control. Personality and Social Psychology Review, 11(4), 303-327.

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