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The gene had a Related With Obesity, Causes More Fat Select Food

KapanLagi.com - Some scientists come to a reason why some people choose not fries and apple; that proceed from a gene that has been associated with greater risk of obesity.
One study of children found those who have common variations of genes tend to eat too much high-calorie foods.

They consume an additional 100 calories per serving of food, which in the long term may gain weight, says Colin Palmer, who led the study at the University of Dundee in Scotland.

These findings do not mean that every person with that gene version will eat too much and become obese, he said. They just might have a tendency to eat more fat foods causes.

"It's still your choice," he said, "This gene would not make overweight if you do not overeat."

Palmer says these results support the theory that obesity in children these days can be associated with highly available and inexpensive high-calorie foods.

The study was published in the New England Journal of Medicine.

Years ago, many scientists find the gene, named FTO, associated with obesity but they do not know why. Most other genes thought to affect body weight affect appetite.

Palmer and colleagues wanted to know whether the FTO gene also has a relationship with eating habits, or whether it involves the way the body burns calories. They studied more than 2700 Scottish children aged four to 10 years and put one of their group to undergo extensive examination.

Almost two-thirds of these children have at least one copy of the gene variant, more or less the same size to those found in a study last year of most white people of Europe.

The study found that those with one copy of the gene variants have an increased risk of obesity by 30%, and carriers of two copies have an increased risk of almost 70%.

Gene variation was also found in other populations.

After confirming the relationship of obesity to the Scottish group more, the researchers studied 97 children. They perform a number of measurements, including body fat and metabolic rate.

The children were given three meals in schools to assess their eating behavior. Food includes a mixture of fruit and vegetables, pork, cheese, potato chips, chocolate candy and bread rolls.

The researchers found that children with the gene variation did not show differences in metabolic rate, physical activity level or the amount of food eaten.

"The only thing we could find is the fact that most of the foods they eat more calorie-rich," said Palmer.

On average, children with the variant gene ate 100 more calories than those who do not have it.

Dr. Rudolph Leibel, an obesity researcher at the Columbia University in New York, said it is difficult to obtain measures of how much a person ate, but the Scottish study done in a way that closely monitored.

He said that overeating may be caused by more than just the need for calories than fatty food choices. Fat is a great way to get extra calories.

"A bite-by-bite, there are more calories in a Big Mac than contained in an apple," said Leibel, who wrote the editorial accompanying the study in the journal.

Physical activity

One study recently in the Amish show that variance effects can be overcome with a few hours of physical activity. The study's lead author, Evadnie Rampersaud of the University of Miami, said nearly 76 children spent all three Scottish food experiments.

"Although the results were intriguing, more extensive study is needed to fully investigate this hypothesis," he said in an e-mail.

Palmer, Scottish researchers, said there was no practical reason for screening people to determine the variation of genes; seems there are many genes that affect obesity.

Does someone have it or not, he said, given the same advice: Eat healthy foods and exercise.

Palmer DNA included in the study last year but he did not know their status, even though he does have a weakness in chips. (ant / cax)

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