The study reveals the main cause of obesity and is not lack of exercise

Obesity among adults is still an important public health problem in the United States and other economically developed countries, according to the Centers of Control and Prevention of Diseases (CDC) and the World Health Organization (WHO).

“It is a mixture of poor diet, high levels of stress, lack of muscle and frequent lack of movement,” said Lindsay Allen, a registered dietitian nutritionist and back owner in the nutrition of balance in Florida, told Fox News Digital.

Although both overwhelming and lack of exercise are usually guilty, a new global study suggests that one factor far exceeds the other.

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Scientists studied more than 4,000 adults from 34 populations, ranging from hunter-gatherer communities to office workers.

They analyzed the total energy expenditure of each person (TEE), which is the number of calories burned daily, along with the percentage of body fat and the BMI (body mass index).

When they fit into the size of the body, people of all lifestyles and revenue levels burned similar amounts of energy, even if their daily routines were dramatically different.

“The differences in the body fat we see in populations are not due to the main differences in the level of activity or in the total burnt energy,” said Digital News News the authors of the Amanda McGrosky studio (from the University of Elon de Carolina del Northern) and Amy Luke (Loyola University in Illinois).

“Rather, excess body fat is probably the product of mass” calories “or eating more calories than they burn.”

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People in more economically developed areas burned more calories, and researchers pointed, but this is mainly because they usually weigh more, and the heavier bodies naturally burn more energy.

Published in the Magazine Proceedings of the National Academy of Sciences (PNAS), the study concluded that the number of people they eat played much greater role than the amount of exercise when it comes to weighing.

“Our analyzes suggest that the increase in energy intake has been approximately 10 times more important than the decrease in activity rates to promote the crisis of modern obesity,” said the authors.

Dr. Brett Osborn, a Florida neurosurgery and longevity expert, agrees with the adage that “a bad diet cannot be taken.”

“Exercise burns much less calories than people want to believe,” said Osborn, who was not involved in the study, in Fox News Digital.

“We are not gaining weight because we stopped moving. We are winning because we are overwhelmed.”

“These latest data only confirm what I have seen in my clinic: we are not gaining weight because we stop moving. We are winning because we are overwhelmed.”

Allen said that muscle mass should also be considered.

“Having a sufficient muscle is what is dramatically improving metabolism and fat combustion capabilities,” Fox News Digital told the importance of stress levels. “People living in high -stress societies are usually more serious because stress hormones change our metabolism and move us to” survival mode. “

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Another finding consists of ultra -processed foods (UPF), which have lists of long ingredients that are often dense in calories, stable in the shelf and “highly pleasant”.

“Because more populations are exposed to a growing amount of highly processed and highly pleasant foods, we will probably see increases in obesity in regions with relatively low rates today,” predicted the study authors.

Ultra -processed foods are usually easier to eat for their taste and texture, and they also do not keep people who feel full, found the study.

They are also denser in calories, that is, they send more energy in smaller volumes and are more easily absorbed, which causes the body to eliminate excess energy.

“Ultra -processed foods are designed to cancel our biology, that is, our satiety signage in the brain,” Osborn told Fox News Digital. “They also promote inflammation and transfer our physiology to a state that promotes the accumulation of fats on fat cream.”

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Researchers said that physical activity is still important, especially for cardiovascular health, mental well -being and longevity.

Allen said that people “have to consider all other benefits of exercise and move the mentality of the amount of calories they burn (which actually does not work very well for weight loss) towards the construction of such strength and muscle they can.”

Osborn agreed, recommending “progressively intense and challenging training”, in particular strength training, to help increase the metabolic rate and facilitate fat burning.

“As I always say to my patients,” by virtue of good nutrition and strength formation, your body will not only burn fat, but will also burn rapid fats. “

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However, Allen said, when preventing obesity, the findings point to the excess of calorie consumption, particularly ultra -processed foods, as the main factor that contributes.

“If you are concerned about excess body fat, focus -in the calories,” said Mcgrosky and Luke. “Especially in the long term, it is much more difficult to change significantly the total number of calories you burn than to change the number of calories you make.”

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Osborn added that the problem is neither laziness or lack of movement.

“It is the constant flow of ultra -processed products and voting nutrients that climb in the mouth under the health costume or comfort,” he said. “And it is killing us, slowly, predictably and in mass.”