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How ADHD May Influence a Child's Weight
- November 11, 2024
- Dennis Thompson HealthDay Reporter
Attention-deficit/hyperactivity disorder can influence a child’s weight in ways that will shape their long-term health, a new study says.
Kids with ADHD tend to have lower birth weight, which increases their risk of developmental delays and health problems, researchers in the U.K. found.
But these kids also are more likely to develop obesity after age 5, a weight swing that can place even more risk upon their health in adulthood, researchers said.
“Children with increased ADHD symptoms are typically lighter at birth than their peers but are later more likely to have obesity,” researcher Claire Reed of the University of Southampton said in a news release. “Research into the ‘when and why’ regarding this turning point is scarce.”
For the study, researchers analyzed data on more than 7,900 children born between 2000 and 2002.
Of those kids, the team compared 442 with ADHD against nearly 5,400 without either an AHDH diagnosis or symptoms of the disorder.
Kids in the ADHD group weighed less at birth on average compared with children without ADHD, researchers found.
However, those differences in weight vanished quickly, and by 9 months and at 3 years the two groups weighed about the same.
Then, from age 5 onwards, the kids with ADHD were significantly more likely to have obesity, after excluding children taking stimulants for their condition, results show.
The risk was most pronounced after age 7 in girls and age 11 in boys, the study says.
And the more ADHD symptoms a child had, the higher BMI they could be expected to have at ages 11 and 14, researchers said.
The data suggests there may be a period between ages 3 and 5 during which ADHD symptoms become associated with obesity.
It’s not clear why this is, but it might have to do with the food choices children make, researchers said.
“Those with higher levels of impulsivity may be less likely to make healthier choices,” they wrote.
The new study was recently published in the Journal of the American Academy of Child & Adolescent Psychiatry.
More information
The U.S. Centers for Disease Control and Prevention has more on childhood obesity.
SOURCE: American Psychiatric Association, news release, Nov. 5, 2024
