How Stress and Anxiety Contribute to Youth Violence

Summary: The prevalence of anxiety symptoms in children and adolescents has doubled since before the COVID pandemic.

Source: Children’s Hospital of Los Angeles

It only takes a quick Google search to find an up-to-the-minute list of school shootings in the United States. According to Education Week’s 2021 School Shooting Tracker, there were 34 last year. On Nov. 30, many people watched in grief and horror as news broke about school shooting No. 28, in which a 15-year-old Michigan high school student opened fire on his classmates, killing four and injuring six others and a teacher.

One week later on Dec. 7, U.S. Surgeon General Vivek H. Murthy issued an advisory—a rare message to the nation “reserved for significant public health challenges that need the nation’s immediate awareness and action”—on the emerging youth mental health crisis. Murthy urged institutions, community centers, schools, parents, family friends and others to rapidly come together to provide resources and support for our nation’s youth.

School shootings and violence on campus are not new, but they are becoming more commonplace. Nearly two years into the COVID-19 pandemic, young people are in the midst of a mental health crisis that has been exacerbated by the pandemic itself.

Stephanie Marcy, PhD, ABPP, a licensed psychologist and Medical Director of Integrated Behavioral Health in General Pediatrics at Children’s Hospital Los Angeles, says she has noticed a steep rise in anxiety and negative behaviors—but has advice for how adults can help the young people in their lives.

In her clinical work, Dr. Marcy sees firsthand the negative mental health impacts of the pandemic. While the vast majority of young people facing mental health issues do not carry out acts of violence, she has seen a “staggering” increase in the number of children, adolescents and parents presenting with moderate to severe anxiety, depression, and grief for all that was lost during the pandemic.

“The relationship between control and anxiety has been studied for decades,” says Dr. Marcy, “with the general finding that the less one feels they have control over a particular outcome, the more anxiety they will experience. When the country shut down literally overnight, we lost our sense of control, which made most of us scared and anxious. People could not control the fact that their place of work shut down and they lost their income, that they could not see a family member or loved one even if they were ill or dying, or that their children could not go to school and were forced to stay home. Most people experienced some type of loss, and many people lost a great deal.”

According to Dr. Marcy, anxious parents are more likely to engage in behaviors that, in turn, make their children more anxious, so it is not surprising that the rate of anxiety in children has gone up significantly during the pandemic. In fact, a recent finding published in JAMA Pediatrics looked at over 80,000 youth globally and found that the prevalence of anxiety symptoms in children has doubled as compared to pre-pandemic estimates, to an alarming rate of 20.5%.

In the summer of 2021, with vaccines widely available and talk of offices and schools reopening in the fall, it started to feel like life was getting back to [a new] normal. Mask mandates and indoor dining restrictions were lifted, and many people hoped that the details of life they used to take for granted were coming back under their control. So why didn’t the anxiety lift too?

“When I started to see more anxiety in our youth when school re-opened, I realized, ‘Okay, this is normal. Of course, they’re anxious,” says Dr. Marcy. “They’ve been away from this for 18 months. They just need to adjust.”

Contrary to her prediction, though, Dr. Marcy is seeing the anxiety that set in during the lockdown causing secondary behaviors and symptoms that are even more concerning: aggression, violence and bullying. The Washington Post reported that the number of gun-related incidents in schools during the first three months of the 2021-22 school year are more than triple the amount during the same time period in 2019.

It’s important to remember that anxiety can affect how well children can pay attention, understand and retain information. With many kids already behind due to gaps in learning during home-schooling, further regression exacerbates the anxiety which can lead to school avoidance. Teachers are also observing increased rates of students withdrawing from friends, abusing drugs and alcohol, battling depression and even experiencing suicidal ideation.

This shows a young person's hands
School shootings and violence on campus are not new, but they are becoming more commonplace. Image is in the public domain

In his recent advisory, the Surgeon General offered hope: “Mental health challenges in children, adolescents and young adults are real, and they are widespread. But most importantly, they are treatable, and often preventable.”

As we continue to navigate this ongoing pandemic, Dr. Marcy says it is crucial that adults model appropriate and positive behaviors that are likely to contribute to children’s resilience and success.

“First, having at least one stable, responsive and nurturing adult in a child’s life is a huge protective factor,” she says. “It doesn’t have to be a parent, just someone who can convey to the child that they are important, valuable and cared for.”

Dr. Marcy also stresses the importance of teaching and modeling core life skills like mindfulness, conflict resolution, problem-solving, coping and stress management. “Help your child get good sleep, physical activity and proper nutrition. Try to spend time outside in nature.”

Finally, parents need to model self-care by giving themselves the time and space to achieve a sense of calm, peacefulness and self-regulation. Even a few minutes of reprieve from their stress can go a long way.

“This practice is about letting your child ‘borrow your calm’ rather than share your chaos,” she explains. “But first you have to create your own calm for them to borrow.”

About this psychology research news

Author: Press Office
Source: Children’s Hosptial of Los Angeles
Contact: Press Office – Children’s Hospital of Los Angeles
Image: The image is in the public domain

Original Research: Open access.
Global Prevalence of Depressive and Anxiety Symptoms in Children and Adolescents During COVID-19” by Nicole Racine, Stephanie Marcy et al. JAMA Pediatrics


Global Prevalence of Depressive and Anxiety Symptoms in Children and Adolescents During COVID-19


Emerging research suggests that the global prevalence of child and adolescent mental illness has increased considerably during COVID-19. However, substantial variability in prevalence rates have been reported across the literature.


To ascertain more precise estimates of the global prevalence of child and adolescent clinically elevated depression and anxiety symptoms during COVID-19; to compare these rates with prepandemic estimates; and to examine whether demographic (eg, age, sex), geographical (ie, global region), or methodological (eg, pandemic data collection time point, informant of mental illness, study quality) factors explained variation in prevalence rates across studies.

Data Sources  

Four databases were searched (PsycInfo, Embase, MEDLINE, and Cochrane Central Register of Controlled Trials) from January 1, 2020, to February 16, 2021, and unpublished studies were searched in PsycArXiv on March 8, 2021, for studies reporting on child/adolescent depression and anxiety symptoms. The search strategy combined search terms from 3 themes: (1) mental illness (including depression and anxiety), (2) COVID-19, and (3) children and adolescents (age ≤18 years). For PsycArXiv, the key terms COVID-19mental health, and child/adolescent were used.

Study Selection  

Studies were included if they were published in English, had quantitative data, and reported prevalence of clinically elevated depression or anxiety in youth (age ≤18 years).

Data Extraction and Synthesis  

A total of 3094 nonduplicate titles/abstracts were retrieved, and 136 full-text articles were reviewed. Data were analyzed from March 8 to 22, 2021.

Main Outcomes and Measures  

Prevalence rates of clinically elevated depression and anxiety symptoms in youth.


Random-effect meta-analyses were conducted. Twenty-nine studies including 80 879 participants met full inclusion criteria. Pooled prevalence estimates of clinically elevated depression and anxiety symptoms were 25.2% (95% CI, 21.2%-29.7%) and 20.5% (95% CI, 17.2%-24.4%), respectively. Moderator analyses revealed that the prevalence of clinically elevated depression and anxiety symptoms were higher in studies collected later in the pandemic and in girls. Depression symptoms were higher in older children.

Conclusions and Relevance  

Pooled estimates obtained in the first year of the COVID-19 pandemic suggest that 1 in 4 youth globally are experiencing clinically elevated depression symptoms, while 1 in 5 youth are experiencing clinically elevated anxiety symptoms. These pooled estimates, which increased over time, are double of prepandemic estimates. An influx of mental health care utilization is expected, and allocation of resources to address child and adolescent mental health concerns are essential.

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