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As nuts facilitate weight loss in the brain



New: control of appetite by activating certain regions of the brain

Nuts are among the most valuable foods. They have a positive effect on metabolism and are suitable for the prevention of cardiovascular diseases. In a study, scientists have shown that new ones, in particular, are appropriate to help with weight loss in a diet in which they trigger a positive feeling of satiety.

For the first time, researchers at the Beth Medical Deaconess Medical Center (BIDMC) have been able to demonstrate the neurocognitive effects of the new drug in the current study. They discovered that consuming new ones activates a region of the brain responsible for controlling hunger and desires. The researchers published their findings in the journal "Diabetes, Obesity and Metabolism".

The new ones also develop a cerebral effect that increases the satiety and the control of desires. (Image: karepa / fotolia.com)

Study of the brain activity in the consumption again

To determine how new brain cells work, scientists used the functional magnetic resonance imaging (fMRI) technique. They were able to observe activity in the brain and determine which regions of the brain are activated when consuming new ones. Ten obese volunteers were transferred to the clinic for two study periods of five days in which they received a strictly controlled diet. Therefore, the scientists did not have to depend on the data of the subjects about their consumption of foods, but could understand this.

The subjects received placcebo again or drink

During a five-day session, subjects received daily slips that contained 48 grams of new ones (recommended by the American Diabetes Association). During a second period of study, they received a placebo free kick of new ones, but they were nutritionally comparable, flavored with walnut. The order of the two study periods was chosen randomly, so that some participants first consumed new ones and others with placebo. "Neither the volunteers nor the investigators knew in what session they received the fruit smoothie," explains the BIDMC in a press release on the results of the current study.

Less hunger after eating again

As in previous observational studies, the subjects of the current study reported that they were less famous during the week when they received the shakes again. According to the scientists, in the investigation by means of the functional magnetic resonance tomography, the fifth day of the experiment, could be determined a clear reason. The subjects showed after the consumption of new ones when they saw images with tasty and unhealthy food and less tasty and healthier meals that significantly increased the activity in the region of the brain, which is known as Insula.

Activation of the insula

Researchers say that the island's activated space is implicated in the cognitive control of the decision to eat certain foods. As a result, attendees focused more attention on food choices and opted for healthier and less appetizing options. The researchers emphasize that there is no ambiguity in the results of the study.

"When the participants eat new, this part of the brain shines and we know that it is in line with what the subjects report: they are less hungry and more comfortable," says study leader Christos Mantzoros.

Influence of food in brain activity

"We often do not think about how we eat influences the activity of our brain," says Olivia M. Farr, the Department of Endocrinology, Diabetes and Metabolism at the BIDMC. The current study clearly shows that there is also evidence of brain activity for welfare and the diminution of hunger after consumption again. In other words, ingested foods have direct neurocognitive consequences on the brain, which in turn have a significant impact on eating behavior.

In a next step, the researchers plan to try different amounts or doses of nuts to see if more nuts carry more brain activation or if after a certain amount a maximum effect is achieved. In addition, we also need to investigate the neurocognitive effect of other foods. (Fp)


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