Breakthroughs in the field of chronobiology—the study of our circadian rhythms—help solve the mystery of missed morning calories in breakfast studies.
Where He made where does this whole “breakfast is the most important meal of the day” concept come from? “The Father of Public Relations”, Edward Bernays, infamous for his “Torches of Freedom” campaign I get women to start smoking in the 1920s, it was Paid by a bacon company to popularize the iconic bacon and eggs breakfast. The role of public relations, that He wrote in his book Propaganda, is the “conscious and intelligent manipulation of the organized habits and opinions of the masses…”. Public relations experts “constitute an invisible government, which is the true ruling power of our country…”.
breakfast is great work. Powerful corporate interests such as the cereal lobby are blamed for “perpetuating myths such as the value of eating breakfast”. A editorial in The American Journal of Clinical Nutrition urged nutrition scientists to speak truth to power and challenge conventional wisdom when necessary “even when it looks like we’re taking away motherhood and apple pie.” “Actually,” the article concludes, “reducing the portion size of apple pie might not be a bad idea.”
Well, you have to “Vacation the feast’ and skip breakfast to lose weight? As I discuss in my video Is skipping breakfast better for weight loss?although “the advice to eliminate Breakfast will certainly pit…nutrition scientists…against the very powerful and powerful food industry,” skipping breakfast has been described as “a simple and feasible strategy for reducing total daily energy [caloric] import.” Unfortunately, it doesn’t seem to work.
Most randomized controlled trials of skipping breakfast were found no weight loss benefit from skipping breakfast. How is this possible if skipping breakfast means skipping calories? The Bath Breakfast Project, a famous series of experiments not finished from a bathtub, but the University of Bath in the UK, was discovered a key to the mystery. Men and women were randomized to either eat breakfast (defined as consuming at least 700 calories before 11:00 a.m.) or fast until noon each day. As you can see in the graph below and at 2:15 in mine videoas in other similar trials, the breakfast-meal group he ate slightly less throughout the rest of the day, but they still ended up with hundreds more daily calories than the breakfast skippers.
Those who ate breakfast consumed more than 500 more calories per day. Over six weeks, this will add more than 20,000 extra calories. However, after six weeks, both groups ended up with the same change in body fat, as you can see below and at 2:36 in my video. How could tens of thousands of calories effectively disappear?
If only there were more calories transition no change in weight, then more calories should have come out. And, indeed, as you can see in the chart below at 2:52 and mine videothe breakfast group was were found to spontaneously engage in more light-intensity physical activity in the mornings than the breakfast-skipping group. Light intensity activities include things like an occasional walk or light house cleaning, not structured exercise per se, but obviously enough extra activity to use up the bulk of those excess morning calories. There is a popular misconception that our body goes into energy saving mode when we skip breakfast by slowing down our metabolic rate. However, this does not seem to be true. But, maybe our body does it intuitively slow us down in other ways. When we skip breakfast, our bodies don’t seem to want to move as much.
The extra activity was not completed I make, I do However, for the additional calories consumed by the breakfast group. It looks like we’re still about a hundred daily calories short, suggesting there may be another factor explaining the morning calorie MIA mystery. Recent discoveries in the field of chronobiology—the study of our body’s natural rhythms—have fickle an even more sacred cow of nutritional dogma: the notion that a calorie is a calorie. It’s not just what we eat, it’s also when we eat. Same number of calories, different weight loss, depending on meal time.
To give you a taste: As you can see in the chart below and at 4:11 in mine video, the exact same number of calories at breakfast are significantly less fattening than the same number of calories consumed at dinner. Exciting!
A diet with a longer breakfast causes more weight loss from the same diet with a bigger dinner as shown below and at 4:23 in mine video. Because of our circadian rhythms, morning calories don’t seem to count as much as evening calories. So, maybe breakfast is the most important meal of the day after all.
If you missed my last video, catch up Review Friday: Is breakfast the most important meal for weight loss or should you skip it?.
Have I piqued your interest in chronobiology? If so, you’re in luck. See more in the related posts below.
For some breakfast inspiration, take a look A better breakfast and my recipe videos for a vegetable smoothie and one bowl of cereal from The How Not To Die Cookbook.