Why soft drinks could make you a couch potato

High levels of fructose can play a role in weight gain, favour fat deposition, and contribute to physical inactivity

NEW YORK: Diets rich in fructose, carbohydrate derived from fruit and vegetables, may lead to a significant weight gain, physical inactivity and body fat deposition, a new research has found.

Many soft drinks and processed baked goods contain high-fructose corn syrup. The researchers designed this study based on the intake of fructose by adolescents in the US.

"Our study suggests that such levels of fructose can indeed play a role in weight gain, favour fat deposition, and also contribute to physical inactivity," said Justin Rhodes, professor of psychology at University of Illinois in the US.

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"The link between increases in sugar intake, particularly fructose, and the rising obesity epidemic has been debated for many years with no clear conclusions," lead author of the study Catarina Rendeiro from University of Illinois said.

So the researchers studied two groups of mice for two-and-a-half months: one group was fed a diet in which 18 per cent of the calories came from fructose, mimicking the intake of adolescents in the United States, and the other was fed 18 per cent from glucose.

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"The important thing to note is that animals in both experimental groups had the usual intake of calories for a mouse," Rendeiro said.

They were not eating more than they should, and both groups had exactly the same amount of calories deriving from sugar, the only difference was the type of sugar, either fructose or glucose

The results showed that the fructose-fed mice displayed significantly increased body weight, liver mass, and fat mass in comparison to the glucose-fed mice.



PHOTO: WORDPRESS

Remarkably, the researchers also found that not only were the fructose-fed mice gaining weight, they were also less active.

"We do not know why animals move less when in the fructose diet," said Rhodes.

The study was published in the journal Scientific Reports.