The Changing Landscape of Adolescent Mental and Behavioral Health: A 22-Year Analysis
Adolescence is a critical period of development, marked by significant physical, emotional, and social changes. Over the past two decades, the behaviors and mental health of high school students in the United States have undergone dramatic shifts. A recent study analyzing 22 years of data from the Youth Risk Behavior Survey (YRBS) reveals surprising trends: while risky behaviors like substance use and violence have declined, mental health issues such as sadness and suicidality have risen sharply.
This blog delves into the findings of this groundbreaking study, exploring what these changes mean for teens, parents, educators, and policymakers. We’ll also discuss the implications of these trends and how society can better support the mental and behavioral health of adolescents.
Key Findings from the Study
The Five Adolescent Mental and Behavioral Health Risk Profiles Explained
Teens in the Low Everything profile exhibit minimal engagement in risky behaviors, such as substance use, violence, or sexual activity, and report few or no mental health issues like sadness, hopelessness, or suicidal thoughts. These adolescents are often seen as well-adjusted and resilient, focusing on positive activities like academics, sports, or hobbies. Over the past two decades, the percentage of teens in this category has grown significantly, from about 40% in 1999 to nearly 60% in 2021. This increase reflects positive trends, including improved awareness of risky behaviors, greater parental involvement, and cultural shifts toward wellness and self-care. Public health campaigns and educational programs have played a key role in encouraging teens to adopt healthier lifestyles.
The high-sex profile includes teens who engage in above-average levels of sexual activity, such as early sexual initiation, having multiple partners, and inconsistent use of protection. This behavior increases the risk of sexually transmitted infections (STIs) and unintended pregnancies. However, the prevalence of this profile has declined sharply, from 20% in 1999 to about 10% in 2021. This decline can be attributed to comprehensive sex education programs in schools, better access to contraceptives, and changing societal norms that reduce pressure on teens to engage in sexual activity. These factors have collectively contributed to a reduction in high-risk sexual behaviors among adolescents.
Teens in the High Everything profile exhibit above-average levels in all mental and behavioral health factors, including substance use, violence, sexual activity, and mental health issues like sadness and hopelessness. This group is considered the most at-risk due to the combination of behavioral and mental health challenges. Over time, the prevalence of this profile has decreased significantly, from 13% in 1999 to about 5% in 2021. This decline reflects the success of targeted interventions addressing substance use, violence, and mental health, as well as the impact of community support systems. The COVID-19 pandemic also played a role, as lockdowns and social distancing measures limited opportunities for risky behaviors.
The high substance use profile includes teens who engage in above-average levels of substance use, such as alcohol, tobacco, vaping, and illicit drugs. This behavior puts them at risk for addiction, health problems, and academic or social difficulties. The percentage of teens in this category has dropped significantly, from 10% in 1999 to about 4% in 2021. This reduction is a result of stricter regulations on underage drinking and smoking, effective education campaigns about the dangers of substance use, and changing cultural attitudes that view substance use as unhealthy and undesirable. Teens today are more likely to avoid these behaviors in favor of healthier alternatives.
The high internalizing profile includes teens who experience above-average levels of mental health issues, such as sadness, hopelessness, and suicidal thoughts, often without engaging in external risky behaviors. This profile has seen a sharp increase, growing from 9% in 1999 to nearly 18% in 2021. This rise is driven by factors such as increased academic pressure, the impact of social media and cyberbullying, economic uncertainty, and reduced stigma around mental health issues. While greater awareness has encouraged more teens to report their struggles, it also highlights the urgent need for mental health resources and support systems to address these growing challenges among adolescents.
Why Are Teens Engaging in Fewer Risky Behaviors?
The decline in risky behaviors like substance use, violence, and sexual activity is a positive trend, but it raises important questions. What’s driving this shift?

1. Increased Awareness and Education
Over the past two decades, there has been a significant push to educate teens about the dangers of risky behaviors. School programs, public health campaigns, and parental guidance have all played a role in reducing substance use and violence.
2. Stricter Regulations.
Policies targeting underage drinking, smoking, and drug use have become more stringent. For example, the legal drinking age remains 21, and vaping regulations have tightened in recent years.
3. The Impact of Technology
The rise of smartphones and social media has changed how teens socialize. While these platforms come with their own risks, they may have reduced opportunities for in-person risky behaviors.
4. The COVID-19 Pandemic
The pandemic led to unprecedented changes in teen behavior. Lockdowns, school closures, and social distancing measures limited opportunities for substance use, sexual activity, and violence.
The Rise of Mental Health Issues
While the decline in risky behaviors is encouraging, the rise in mental health issues is deeply concerning. The high internalizing profile, which includes symptoms like sadness, hopelessness, and suicidality, nearly doubled over the study period.
Possible Explanations for This Trend
Increased Academic Pressure
Teens today face immense pressure to excel academically. The competitive college admissions process and the emphasis on standardized testing have contributed to stress and anxiety.
Social Media and Cyberbullying
While social media connects teens, it also exposes them to cyberbullying, unrealistic beauty standards, and constant comparison. These factors can exacerbate feelings of inadequacy and sadness.
Economic Uncertainty
The 2008 financial crisis and the economic fallout from the COVID-19 pandemic have created a sense of instability for many families, which can impact teens’ mental health.
Stigma and Awareness
Increased awareness of mental health issues has reduced stigma, encouraging more teens to report their struggles. However, this also highlights the growing need for mental health resources.
Increased Academic Pressure
Teens today face immense pressure to excel academically. The competitive college admissions process and the emphasis on standardized testing have contributed to stress and anxiety.
Social Media and Cyberbullying
While social media connects teens, it also exposes them to cyberbullying, unrealistic beauty standards, and constant comparison. These factors can exacerbate feelings of inadequacy and sadness.
Economic Uncertainty
The 2008 financial crisis and the economic fallout from the COVID-19 pandemic have created a sense of instability for many families, which can impact teens’ mental health.
Stigma and Awareness
Increased awareness of mental health issues has reduced stigma, encouraging more teens to report their struggles. However, this also highlights the growing need for mental health resources.
Gender Differences in Mental and Behavioral Health
The study revealed significant gender differences in mental and behavioral health profiles:
Women made up about 66% of the high internalizing group, reflecting higher rates of sadness, hopelessness, and suicidality.
Men were more prevalent in the High Everything (58%) and High Substance Use (61%) groups, indicating higher engagement in risky behaviors.
These findings underscore the need for gender-specific approaches to mental and behavioral health interventions.
Implications for Parents, Educators, and Policymakers
The study’s findings have important implications for how we support teens:
1. Prioritize Mental Health Support
Schools and communities must invest in mental health resources, including counselors, therapists, and crisis hotlines. Early intervention can prevent mental health issues from escalating.
2. Address the Root Causes of Risky Behaviors
While risky behaviors have declined, it’s essential to address the underlying factors that drive them, such as peer pressure, trauma, and socioeconomic disparities.
3. Promote Healthy Coping Mechanisms
Teens need tools to manage stress and anxiety in healthy ways. Mindfulness, exercise, and creative outlets can all play a role in promoting mental well-being.
4. Leverage Technology for Good
While technology can contribute to mental health issues, it can also be part of the solution. Apps and online platforms can provide teens with access to mental health resources and support networks.
Limitations of the Study
While the study provides valuable insights, it has some limitations:
Limited Scope: The study did not include all mental health disorders, such as anxiety or eating disorders.
Demographic Gaps: The survey did not collect data on family income, location, or non-binary gender identities.
Exclusion of Out-of-School Teens: The study only included teens enrolled in school, potentially overlooking vulnerable populations.
Conclusion
The past two decades have seen significant changes in the mental and behavioral health of high school students. While the decline in risky behaviors is a positive development, the rise in mental health issues is a cause for concern. By understanding these trends and addressing their root causes, we can create a safer, healthier future for teens.