Anxiety

Teenagers and Anxiety Since 2020: What Happened and What Helps

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Something happened to teenagers after 2020. Not just during the pandemic — after. Rates of anxiety disorders in the 10–24 age group increased by 52% in the years following COVID. Half again as many young people struggling as before. The numbers are hard to sit with.

But the numbers are also traceable. When you understand what happened to the developing adolescent brain during those years, the rise makes complete sense. And when you understand the mechanism, the path forward becomes clearer than the statistics suggest.

If you are a parent watching a teenager you love struggle — or if you are a teenager reading this yourself — the most important thing I want to say is this: what you're experiencing has a cause. It is not a character flaw. It is not permanent. And it responds to the right tools, applied consistently over time.

What the Pandemic Did to the Developing Brain

Adolescence is not just a social experience. It is a period of intense neurological development. The brain undergoes significant pruning and reorganization between roughly ages 10 and 25, with the prefrontal cortex — the seat of emotional regulation, executive function, and rational judgment — being the last region to fully develop.

This means that adolescents are, by design, more reactive and less regulated than adults. The amygdala is fully active and hypersensitive. The regulatory brain hasn't caught up yet. Normal adolescence requires the developmental scaffolding of in-person social experience: navigating conflict face-to-face, reading body language, building trust through repeated shared experience, managing embarrassment, finding belonging. These aren't optional social niceties. They're the conditions under which emotional regulation develops.

COVID removed those conditions for one to three years — precisely the years when many of today's teenagers were 11, 13, 15 years old. The developmental milestones didn't happen. The uncomfortable social experiences that build resilience didn't happen. The face-to-face practice of being with other people — imperfect, unpredictable, real — was replaced by screens, isolation, and the unrelenting awareness that the world was not safe.

What the research shows: adolescent brains that were deprived of normal social experience during the pandemic show measurably higher amygdala reactivity, lower prefrontal cortex regulation, and higher rates of anxiety and depression compared to pre-pandemic norms. The brain developed — but without some of the environmental inputs it needed. The resulting nervous system is more reactive and less equipped to self-regulate than it would otherwise be.

This is not a verdict. It's a starting point.

Social Media: The Amplifier

The social media variable cannot be overstated. Teenagers who use social media for three or more hours per day have double the rate of anxiety and depression compared to those who use it less than an hour. The mechanism is well-documented:

Social media platforms are designed to trigger the dopamine reward system — the same system that drives addiction. Each notification, each like, each scroll delivers a small neurochemical hit that reinforces the behavior. Over time, the threshold for satisfaction rises, and the spaces between dopamine hits — quiet moments, ordinary experience, face-to-face conversation — register as absence, as boredom, as something wrong. The nervous system is always a little agitated, always looking for the next input. This is chronic low-level stress. And chronic low-level stress is the substrate of anxiety.

The comparison element amplifies this. Social media presents a curated world where everyone else appears more connected, more confident, more successful, and more content. The gap between that image and ordinary lived experience is painful — and painful at an age when identity is still forming and social belonging feels existentially urgent.

For teenagers who already had a more reactive amygdala and a less developed prefrontal cortex coming out of the pandemic, social media is a perfect anxiety amplifier. It takes a nervous system that's already sensitized and keeps it perpetually stimulated.

Now You Understand Why

Look at the GAD-7 symptom domains through the lens of a teenager coming out of the COVID years: the constant edge, the worry that won't stop, the trouble relaxing, the restlessness, the irritability that looks like attitude, the vague but persistent fear that something awful is coming. These aren't behavioral problems. They're the predictable outputs of a nervous system that learned, during a formative period, that the world is unpredictable and unsafe.

And they're being amplified daily by social media inputs that the developing brain isn't yet equipped to regulate.

The irritability that looks like defiance. The withdrawal that looks like laziness. The grades that dropped. The friendships that thinned. The activities that were abandoned. These are symptoms, not personality. They are how an anxious nervous system behaves when it's overwhelmed and doesn't have the tools to regulate itself.

📋 How Severe Is Your Anxiety?

The GAD-7 is a clinically validated seven-question screening tool used by providers worldwide. It takes about two minutes and gives you and your clinician a common language for what you're experiencing.

Take the GAD-7 Self-Assessment →

What Actually Helps

The Teenager Who Came Through It

Adolescence has always been hard. The neurological reality of the developing brain has always meant that teenagers feel more and regulate less. The specific conditions of the last five years have made it harder.

But I've watched anxious teenagers become regulated, confident, capable young adults enough times to know: this is not permanent. The nervous system is plastic. The developmental trajectory, even when disrupted, continues. The regulatory capacity of the prefrontal cortex continues to grow. The tools learned now — breathwork, movement, sleep discipline, honest connection — don't disappear. They compound.

Your teenager is not broken. They are a developing person facing a harder version of the hardest years. With the right tools, the right support, and people in their corner who believe in them even when they don't believe in themselves — they will come through it.

The door is open. We just need to walk through it together.

References

  1. Racine, N., et al. (2021). Global prevalence of depressive and anxiety symptoms in children and adolescents during COVID-19. JAMA Pediatrics, 175(11), 1142–1150.
  2. Twenge, J.M., et al. (2018). Increases in depressive symptoms, suicide-related outcomes, and suicide rates among U.S. adolescents after 2010. Clinical Psychological Science, 6(1), 3–17.
  3. Orben, A., & Przybylski, A.K. (2019). The association between adolescent well-being and digital technology use. Nature Human Behaviour, 3(2), 173–182.
  4. Spitzer, R.L., et al. (2006). A brief measure for assessing generalized anxiety disorder: The GAD-7. Archives of Internal Medicine, 166(10), 1092–1097.
  5. Blakemore, S.J. (2018). Inventing Ourselves: The Secret Life of the Teenage Brain. Public Affairs.
About the author. Dr. Douglas Cowan, Psy.D., is a Licensed Marriage and Family Therapist with 40 years of clinical experience and over 35 years in neurofeedback, licensed and practicing since 1988. Read his full credentials →