The conventional wisdom is that calories are calories

The conventional wisdom is that calories are calories

 

regardless of when you eat them, and that being overweight is caused by eating more calories than you use.

Nutritionists call this calorie theory for weight management.

New research has found that eating time may play an important role in weight gain.

Late eating linked to being overweight
According to a study published today in the Journal of Clinical Endocrinology and Metabolism at the Endocrine Society, late dinner is associated with weight gain and high blood sugar levels, regardless of whether the food is the same that you have eaten before. .

“We were aware of other research indicating that eating late is associated with obesity, and because the association is not the same as causation, we wanted to see this more strictly,” said study author Dr. Jonathan C. John, Assistant.

John explained that the research team wanted to understand whether late meals actually altered metabolism in a way that promotes obesity.

The conventional wisdom is that calories are calories

“That is why we have embarked on this randomized clinical trial, taking healthy people and eating them on two different occasions, controlling their food, controlling their diet, and controlling their sleep times as well,” he said.

The same meals and the same time to sleep
John and his team studied 20 healthy volunteers (10 men and 10 women) to discover how their bodies metabolized at 10 pm. Instead of 6 pm

All study participants went to sleep at the same time: 11 pm

The results of the study show that blood sugar levels are higher, and that the amount of fat burned is less, when they eat dinner late, even when people eat the same food.

“We were not surprised. Other researchers did similar work looking for daily rhythms and diet, and other laboratories have shown that if you eat food out of the stage with the normal daily rhythm of your body, you do not metabolize glucose in the same way.” John said.

The study found that late users had peak blood sugar levels almost 20% higher and fat burning decreased by 10%, compared to those who ate earlier.

The author of the first study, Chenjuan Gu, PhD, postdoctoral researcher at Johns Hopkins University, said in a release.

The most interesting part of this study is that researchers found that not everyone interacts with delayed meals in the same way.

“What surprised me the most was that not everyone was so vulnerable in the same way. There was a group, you know, if you looked at the pattern of activity in the past two weeks, people who used to sleep earlier had the worst when we gave them a late meal,” said John.

According to John, people who are a night owl seemed to eat until 2 or 3 am unaffected by the change in their food. “It’s not one size fits all; there are differences in people’s metabolism that makes them more likely to eat late or not bother them.”

One of the most detailed studies of its kind.
John indicated that this study was more detailed than previous research on this topic. Participants wore activity trackers, took blood samples, underwent sleep studies and body fat scans, and ate foods with non-radioactive markers to measure fat metabolism.

“People carried out very intense monitoring while they were in the laboratory. John said:“ We draw blood every hour, monitor their activities and sleep for two weeks before they come to the laboratory. ”We introduced a so-called stable stable isotope tracking program, so when they consumed their food, We were able to measure how much fat was eaten, burned, or oxidized. ”

When asked if this study provides conclusive evidence that when you eat and not necessarily what you eat it can cause weight gain, John said.

“Yes, I think this shows, at least, that there is a biological plausibility or biological explanations of how the timing of food affects how your body deals with these calories,” he said.

The results may help guide eating habits
“Although the study was conducted with young people and volunteers of a healthy weight, it did provide us with useful information to guide eating habits,” said Lisa K. Diwald, MS, RD, LDN, program director at the MacDonald Center.

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