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Eating less but more frequently to lose weight

By Genevra Pittman in New York | China Daily | Updated: 2013-04-10 08:02

Shrinking the size of kids' plates and bowls and encouraging them to eat more frequently throughout the day may help them eat less and keep off extra weight, new research suggests.

In one study, researchers found first-graders served themselves smaller portions when using miniaturized dishware - and ate less food when they had less on their plate.

Another review of past research found kids and teens who ate most often during the day were 22 percent less likely to be overweight than those who ate the fewest meals and snacks.

Jennifer Fisher, who worked on the dish-size study, says it was preliminary but could still inform parent choices.

"For now, certainly it seems like something parents can easily incorporate into their daily lives without a lot of work and effort," Fisher, from Temple University in Philadelphia, says.

She and her colleagues studied 42 elementary school children who were given the chance to serve themselves lunch. On four days the kids used child-sized plates and bowls; on another four they used adult-sized dishware, which was twice as large.

First-graders served themselves an average of 300 to 500 calories worth of the lunch entree - pasta or chicken nuggets - each day.

When they used adult dishware, the children took an average of 90 more calories of food, the researchers found. Children who ended up with more food on their plates also tended to eat more, Fisher's team wrote in Pediatrics.

"It doesn't appear that simply because you might have large dishware at home, your child is going to overeat," says Fisher - because it depends on who's doing the serving and how much is served.

But, she adds, "If more food appears on the plate, they're going to eat more."

"The results are very interesting and confirm our expectations that the impact of plate size on adults in the laboratory also apply to children," says Thomas Robinson, a childhood obesity researcher at Stanford University in California.

"This study provides very important preliminary evidence that using smaller dishware may help reduce children's energy intakes."

For their own analysis, researchers from Harokopio University in Athens, Greece, looked at 11 studies, mostly conducted in the Mediterranean, that compared eating frequency and weight, in about 19,000 kids and teens.

The overall pattern showed that youth who ate most often - typically at least four or five times per day - were least likely to be overweight or obese. However when they looked closer, the researchers found that link only held up in boys.

Robinson, who was not involved in the new research, says it's hard to tell which came first in those studies: eating frequency or extra weight.

The results "do not look very convincing one way or another," he says.

The researchers say their findings don't prove that any given child will lose weight by eating more often. But schools, for example, may be able to make a difference by integrating smaller, more frequent meals into the day.


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