Weight loss program reconnects the brain to crave healthy foods, explorations
Eating too much junk food is like any other addiction, the research showed. After years of gorging on high-calorie, highly processed foods, changes in the brain, they want pizza and fries instead of salads and grilled chicken. Experts used to think that once the brain has changed, it was permanent. But a new study shows that it is possible to eliminate cravings for junk food after six months of healthy eating.
Tufts researchers wanted to determine if the anecdotal evidence that participants in a weight loss program developed by Roberts is no longer craved junk reports. His real neurobiological changes in the brain? To determine this, the Tufts researchers selected 13 overweight or obese adults who were enrolled in eight program called iDiet five who ate regularly undergo MRI. The two groups had a base line scan six months later.
While in functional magnetic resonance images were seeing people healthy or unhealthy foods, as the researchers examined blood flow in the brain's reward center.
In the first analysis, the reward center in the two groups of activity sparked when they saw pictures of high-calorie foods. But after six months, the group in the weight loss program showed emotion in the reward center to see the food that is low in calories.
After six months of healthy eating, brain circuits had changed. But it is possible that changes could occur as early as two weeks after the program, Roberts said.
In addition, people in iDiet lost an average of 14.1 kilos each, while people continued to eat regularly gained nearly 5 pounds on average.
The study results were published on Monday in "Nutrition and diabetes."
"MRI is just a demonstration of what the metabolic people were told," says Roberts.
The menu allows iDiet comfort food like lasagna, exchange of healthy ingredients like whole wheat pasta and low-fat substitutions. It also encourages complex carbohydrates, fruits and vegetables instead of high calorie foods, while reducing from 500 to 1,000 calories per day. Restrictive diets often fail because people are hungry or because missing persons eating favorite foods, Roberts said.
"When [plans] are telling people to go hungry and tell them to eat foods they do not like, your unconscious brain tells them not to do it," Roberts said.
It is not known if other plans would create the same changes in the brain. Tufts started a comparative study in October to learn more.
It also highlights how the difficulty of losing weight. Hormones, genetics, lifestyle, environment, quality of sleep, and preferences can make weight loss difficult. This shows the role of the brain in it.
"I think when it comes to food and brain, it is difficult to have this conversation without thinking about the addictive qualities," says Kirkpatrick. "When you have a donut when you have macaroni and cheese Neurotransmitters are ...