Study Weighs In on Diets for Kids

FRIDAY, March 30 (HealthDay News) — If you’re trying to get your
child to drop a few pounds, here’s some food for thought: A new study
finds that among three types of diets, kids preferred the one emphasizing
foods that don’t cause blood-sugar imbalances.

Kids also lost weight on the other two diets, however.

“We know the diets are effective. The question now is how we can get
people to follow them,” said study lead author Shelley Kirk, a dietitian
and assistant professor of clinical pediatrics at the University of
Cincinnati College of Medicine.

About 20 percent of children aged 6 to 11 in the United States are
obese, which is a step beyond simply being overweight, according to
statistics from the U.S. Centers for Disease Control and Prevention. The
rate is similar in adolescents aged 12 to 19.

In the new study, researchers examined 85 obese 7- to 12-year-olds who
accepted an assigned diet for a year. The kids had weekly dietary
counseling and biweekly exercise sessions for the first three months, and
then were on their own for the remaining nine months.

One of the diets is similar to the Atkins diet for adults, and focused
on very low carbohydrate consumption and a lot of high-protein foods.
Another diet focused on foods with low glycemic indexes (such as fruit,
nonstarchy vegetables, whole grains, poultry and fish) that are less
likely to cause blood-sugar levels to fluctuate. The third diet focused on
controlling food portions and making sure calories overall were 55 percent
to 60 percent carbohydrates, 10 percent to 15 percent protein, and 30
percent fat.

The researchers found that the participants on average lowered their
body mass index (BMI) — a measurement of body fat based on height and
weight — and the percentage of fat in their bodies. Their waist sizes
didn’t decrease after a year, but it’s not clear if that’s because they
grew.

The children had the most difficulty following the low-carbohydrate
diet and the easiest time with the low-glycemic diet, Kirk said.

Overall, most of the kids lost weight on the diets, Kirk noted.

Cathleen Davis, a clinical dietitian and nutritionist who works with
children at Good Samaritan Hospital Medical Center in Babylon, N.Y.,
applauded the study and explained why the diets might have differed in
popularity.

She said the portion-controlled and low-glycemic diets are probably
better tolerated “because they both are more mainstream diets that the
parents would be familiar and comfortable with.”

What should you do if you’d like to put your child on a diet?

“Ask your pediatrician about local reputable programs and look on
Eatright.org to find a registered dietitian serving your area,” Davis
said. “Make tiny changes and expect bad days — absolutely no one eats
perfectly 100 percent of the time. And be very careful of programs that
push supplements, make any type of claim for immediate success and don’t
have licensed credentials.”

The study was released online March 1 in advance of publication in an
upcoming print issue of the Journal of Pediatrics.

More information

For more about kids and obesity, try the U.S. Centers for Disease
Control and Prevention.

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