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It is often said that breakfast is the most important meal of the day, but according to a new journal published Wednesday (30) in the scientific journal BMJ that does not help you. losing weight. The study did not reveal any tangible evidence that taking a regular breakfast helps us reduce the number of calories and prevent weight gain. In fact, they even found evidence that skipping breakfast altogether would be better for waist circumference, although you'd better find better ways to stay in shape.
There are good reasons to eat early in the morning, especially if you are young Research has shown that eating a healthy breakfast regularly (fruits, vegetables and whole grains) helps children and teens develop normally and stay mentally active at school. Many public health organizations and doctors also recommend adding a healthy breakfast to their daily routine to prevent obesity or promote weight loss.
The theory behind this advice is simple: Eating early would speed up your metabolism and it would save you from being hungry and eating too much at subsequent meals. There is evidence of this theory in some studies. However, these studies are generally observational, which means that researchers are only looking for indirect badociations between two things (in this example, whether or not to take breakfast and lose weight or reduce obesity) in a group of people of reasonable size. But in recent years, some randomized controlled trials – often considered the gold standard – have not found the same link.
"The problem is that those who eat breakfast tend to be different from those who do not, so they take The problem with observational studies is that it may not be the same. consumption of breakfast that is good, but rather the healthier and more general lifestyle of the individual and his dietary choices that bring benefits in relation to weight, "said lead author Flavia Cicuttini, epidemiologist at Monash University in Australia, has been maintained by email with Gizmodo.
Cicuttini and his team decided to gather and badyze as many as possible of relevant clinical trials on the subject to solve the problem, something that scientists call meta-badysis. They badyzed 13 tests, conducted in the United States, the United Kingdom and Japan between 1992 and 2016, involving more than 500 adults with different weights and body mbad indexes. Some tests tested whether adding or not breakfast could affect weight; others have badyzed the fact that breakfast would affect the total number of calories consumed per day during a day.
"We found that those who ate breakfast tended to consume about 260 extra calories a day more and averaged 0.44 kg," said Cicuttini. "It's important to note that there was no evidence of improved metabolism in those who were eating lunch or who were less likely to overeat at the end of the day."
This trend has been maintained regardless of location of study and voluntary intensity.
The authors add that their conclusions should not be considered definitive. First, the overall quality of the evidence badyzed was considered low. Few studies blinded the volunteers, which allowed them to know whether they were having breakfast or not. While this may be hard to hide from anyone else, studies have also rarely blinded researchers to measuring and calculating volunteer results – another unacceptable thing in science. The team found that all studies also had a high or unclear risk of bias.
The authors say that further research is needed, preferably large and high quality tests, to be absolutely sure of nothing. But in the meantime, said Cicuttini, it is clear that one can learn from his work.
"The main message is that, if a person likes to have breakfast, that's fine," said Cicuttini. "However, nothing indicates that we should encourage people to change their eating habits to include breakfast in order to avoid gaining weight or becoming obese … The effect can be opposite!"
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