Health

Anorexia spiked during the pandemic as adolescents felt the impact of COVID restrictions

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The COVID-19 pandemic has changed the way we live, go to school or work, and socialize. It has also increased mental health concerns, with a rise in levels of distress, anxiety and depression.

Adolescents have been particularly affected. The shift to online learning and limitations on catching up with friends have disrupted both their educational and social routines, and many have missed important milestones.

Some young people have also changed their eating and exercise habits. This includes those with eating disorders such as anorexia nervosa, a restrictive eating disorder that affects mainly adolescent girls.

We’ve seen an increase in the number of adolescents seeking treatment for anorexia nervosa and other eating disorders, including a 63% jump at our clinic in Melbourne.

What are the complications?

Anorexia nervosa is often associated with ongoing physical and mental health problems.

Decreased bone density can leave people at risk of fracture, altered blood vessel properties may predispose them to heart disease, and fertility problems may be detected when patients attempt to have children.

Many people continue to battle with negative thoughts and feelings towards food even if they’re able to reach a healthy body weight. This can cause high levels of stress and anxiety on a daily basis.

Treatment for anorexia nervosa aims to address both the physical and mental health components of the illness.

Rise in presentations mirrored restrictions

My research, published recently in the Journal of Paediatrics and Child Health, shows presentations to the Royal Children’s Hospital eating disorder service increased by 63% during 2020 compared to the previous three years. Presentations went from an average of 99 in 2017–2019 to 161 in 2020.

The clinic mainly treats restrictive eating disorders, which affect the person’s ability to get enough nutrients to sustain the key functions of their body; anorexia nervosa accounts for 70–80% of patients each year. Patients range in age from nine to 18 years and more than 80% are female.

The increase in anorexia nervosa presentations in 2020 closely matched the implementation of COVID-19 restrictions. There was a rapid surge from May, which meant patients had to go on the waiting list for treatment. Numbers then started to decline from September, with the easing of restrictions.

We’re yet to analyze the numbers for 2021, but these are expected to be higher again.

The role of COVID

Restrictions play a key role in many individuals’ eating disorders.

Some 40% of anorexia nervosa patients at the Royal Children’s Hospital eating disorder service in 2020 reported COVID restrictions were the trigger for their disordered behaviors.

A further 13% of existing patients relapsed during lockdown.

Past research has shown isolation, loneliness and boredom are key triggers for disordered eating.

In our study, COVID restrictions resulted in feelings of isolation and loneliness in one-third of the 2020 patients, and one-quarter reported boredom.

People who develop eating disorders typically have strict thoughts and feelings in relation to food and/or exercise. When they encounter external stressors, they revert to these behaviors as a means of control.

One-quarter of the patients in our study recognized changes to their normal routine during COVID restrictions contributed to developing an eating disorder.

Patients and their families also commonly voiced about fearing the “expected weight gain during isolation” and being “worried about getting fat and losing fitness.”

This may have contributed to initial weight loss, which is a another trigger for developing restrictive eating disorders.

But disorders weren’t more severe

Despite an increase in anorexia nervosa presentations during the pandemic, there has been no increase in the severity of illness. Anorexia nervosa presentations throughout 2020 were actually less severe than in previous years.

There was also no change in the number of patients presenting to the eating disorder clinic experiencing depression or anxiety.

We’ve also seen similar increases in patient presentations for disordered eating and exercise behaviors in other parts of Australia during the pandemic.

What does this mean for the future?

The foundations for mental well-being are formed during adolescence, so access to timely, quality health care for emerging mental health problems is vital.

Since COVID restrictions can be a trigger, families should keep an eye on their children and adolescents to identify disordered behaviors.

Early and intense treatment is often crucial to recovery and maintaining this long-term. With restrictions on social interactions, families play a much bigger support role and should be empowered to assist the young person during this time of uncertainty.

There is also likely to be increased demand for eating disorder services moving out of lockdown, as more people who have developed disordered behaviors become ill and seek treatment.


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