Boys just as likely as girls to engage in disordered eating, study shows

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Eating disorders often begin in adolescence. They affect more than 28 million people in the U.S., and the prevalence of disordered eating behaviors is even greater.
Unfortunately, research suggests that eating disorders increased globally during the COVID-19 pandemic, due to the unprecedented additional stressors that people have experienced.

Teenagers, in particular, were affected. However, data on disordered eating behaviors in children younger than 12 years are limited.
In this research, whose findings appear in JAMA PediatricsTrusted Source, the study team used data from 11,878 children, ages 9 to 10, collected between 2016 and 2018 through the Adolescent Brain Cognitive Development study, funded by the National Institutes of Health.
Instead of studying fully fledged eating disorders, the researchers analyzed disordered eating behaviors.
What is disordered eating?
The term disordered eating describes a range of irregular eating habits and behaviors that may or may not require a diagnosis of a specific eating disorder.

Eating disorders, such as anorexia nervosa or bulimia nervosa, are diagnosed according to a strict set of criteria defined by the American Psychiatric Association. On its own, disordered eating does not constitute a medical diagnosis.
The Academy of Nutrition and Dietetics lists the symptoms of disordered eating behaviors, including:
• frequent dieting, anxiety associated with specific foods, or meal skipping
• chronic weight changes
• feelings of guilt and shame associated with eating
• preoccupation with food, weight, and body image that negatively impacts quality of life
• a feeling of loss of control around food, including compulsive eating
• using exercise, food restriction, fasting, or purging to “make up for bad foods.”

What did this study find?
The researchers studied binge eating, vomiting to control weight, and other behaviors — such as exercising or restricting calories — intended to prevent weight gain.

Five percent of children in the study had engaged in binge eating, while 2.5% had taken measures to avoid gaining weight.
The researchers found that boys and girls were equally likely to engage in disordered eating, going against common assumptions. Therefore, boys face a similar risk to girls.

The analysis also revealed that children with higher body mass indexes (BMIs), as well as those further along in puberty, faced a higher risk.

The study’s lead author, Dr. Stuart Murray, Della Martin associate professor of psychiatry and the behavioral sciences at the Keck School of Medicine of the University of Southern California, Los Angeles, spoke to Medical News Today about the key findings of this research.

“It’s important for parents/guardians to be aware that disordered eating can impact boys, as well as girls. Parents and healthcare providers often follow the stereotype that eating disorders don’t apply to boys. This stigma can make it even harder for boys to talk about their symptoms and feelings about their body, so for parents, being vigilant to the signs of observable disordered eating behaviors is critical in helping boys.”

– Dr. Stuart Murray
The researchers stated that children with higher BMIs were more likely to engage in all of the disordered eating behaviors studied in this research: binge eating, vomiting, and taking other actions to avoid weight gain.

Dr. Murray added that “these data suggest that children — both boys and girls — who experience puberty earlier than their peers, may be vulnerable to disordered eating behaviors.”
“Early development, and the physical growth that this entails, may portend feelings of ‘being bigger’ than peers, which in turn can drive engagement in disordered eating behaviors,” he hypothesized.

Parents should therefore pay special attention to possible disordered eating in children with higher BMIs. The research did not conclude that disordered eating causes obesity, but aspects of disordered eating, such as binge eating, are linked to weight gain.

Dr. Sulman Aziz Mirza, board certified in psychiatry, child and adolescent psychiatry, and addiction medicine, who was not involved in this research, told MNT that these findings are similar to what is seen in his practice as a child and adolescent psychiatrist.

Dr. Mirza explained that “eating disorders and disordered eating behaviors usually start to emerge in this age range.”

“We know that early puberty, especially in girls and furthermore in Black/ Latino girls, can result in very apparent body/ weight changes, which can lead to some of these behaviors,” he added.