There are countless success myths about losing weight. One is “Dinner Cancelling”- deleting a meal from the daily diet plan. Scientists at the University of Lübeck have taken a closer look at whether this method of fasting works and which dish should be skipped and have come to a fascinating conclusion.
About the study
Psychoneurobiologists conducted this research at the University of Lübeck – their subjects: were 16 normal-weight men. As part of the study, they ate a rich breakfast and a more meagre dinner – or vice versa. On the first day, the subjects consumed 69 percent of their daily calorie requirements in the morning, 20 percent at lunchtime and 11 percent in the evening. On the second day, the researchers reversed the calorie distribution at breakfast and dinner.
Show on the clock
The heat released was measured in the study participants to determine how active the metabolism is after ingesting food. The researchers’ theory is that the metabolism works faster after eating because the body starts digesting the food directly. They found that during food intake and digestion, the so-called food-induced thermogenesis (NIT) – heat generation – is boosted.
Based on the data collected, the scientists at the University of Lübeck found that NIT was two and a half times higher after breakfast than after dinner. In addition, an increased appetite for sweets after a low-calorie breakfast may tempt you to heap snacking during the day. In addition, there is also a higher increase in glucose and insulin after dinner compared to breakfast. Therefore, a substantial breakfast should be preferred to a sumptuous feast to avoid obesity or blood glucose spikes in diabetes mellitus.
With 16 subjects, this study is not conclusive. However, a follow-up study will now examine the outcome regarding weight loss in overweight individuals. “Our study shows that the human energy metabolism is basically higher in the morning than in the evening. This is genetically determined and is the case for everyone,” explains researcher Oltmanns. “Overweight people often skip breakfast because they want to lose weight, and eat a large main meal in the evening when hunger becomes overwhelming. We now want to prove that weight loss already occurs when the same amount of calories is eaten mainly in the first half of the day.”
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