eating breakfast

A study has evaluated differences in food consumption in participants on days when they ate breakfast, compared with days when they skipped this meal altogether.


While there are those who skip meals, in particular, breakfast, in an attempt to cut down on food intake in a weight loss effort, others just skip out on this meal due to time constraints at this time of day.

A study published this month in the American Journal of Clinical Nutrition has reported on differences in eating behaviours and total energy intake between eating breakfast, compared with not eating breakfast.

The study reported that on average, breakfast consisted of an average of 508kcal for men and 374kcal for women. However, when assessing the total differences in energy intake between breakfast eating and no breakfast eating, in men, the no breakfast day was only 247kcal different, while for women, the difference was only 187kcal.

On the no-breakfast day, participants consumed higher amounts, and tended to eat lunch approximately 35 minutes earlier than on the days when the participants ate breakfast.

The authors concluded that skipping breakfast resulted in an earlier lunch time, with lunch consisting of a greater energy intake when compared to the eating breakfast days.



Kant, AK, Graubard, BI Within-person comparison of eating behaviors, time of eating, and dietary intake on days with and without breakfast: NHANES 2005–2010 American Journal of Clinical Nutrition First published July 15, 2015, doi: 10.3945/​ajcn.115.110262 ajcn110262.

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Written by Deborah Tallarigo, PhD

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