Background Adolescence represents a crucial developmental period in shaping mental
health trajectories. In this study, we investigated the effect of the COVID-19 pandemic on …

Background Poor mental health in the first year of the COVID-19 pandemic has been well
documented in adolescents; however, less is known about the longer-term effect of the …

Media headings about the mental health of the adolescent population during the COVID-19
pandemic have projected serious short-term and longer-term consequences of the …

This large cross-sectional study examined the impact of COVID-19 emergency measures on
child/adolescent mental health for children/adolescents with and without pre-existing …

Objective This study analyses longitudinal data to understand how youth mental health and
substance use are evolving over the course of the COVID-19 pandemic, which is critical to …

Purpose The impact of the COVID-19 pandemic on adolescent mental health is a global
concern; however, most research is cross-sectional or started after the pandemic response …

Background Concerns have been raised that the COVID-19 pandemic could increase risk
for adverse mental health outcomes, especially in young adults, a vulnerable age group. We …

Objective Adolescents' mental health was severely compromised during the COVID-19
pandemic. Longitudinal real-world studies on changes in the mental health of adolescents …

Although cross-sectional studies have shown that the COVID-19 pandemic has negatively
affected the mental health of adolescents, the effect of the pandemic on adolescents with pre …

The present study examined the long-term effects of the COVID-19 pandemic on adolescent
internalizing symptoms, substance use, and digital media use before and during the …