Background During the COVID-19 pandemic, it is reported that children and adolescents
who are socially isolated experience high levels of stress and various mental health …

Importance Numerous physical distancing measures were implemented to mitigate the
spread of the COVID-19 virus, which could have negatively affected child and adolescent …

Importance To limit the spread of COVID-19, numerous restrictions were imposed on youths,
including school closures, isolation requirements, social distancing, and cancelation of …

Importance Excessive screen media use has been associated with poorer mental health
among children and adolescents in several observational studies. However, experimental …

Although mobile technologies are a fundamental part of daily life, several studies have
shown increased use of electronic devices, TV, and gaming during childhood in conjunction …

Mental health conditions in childhood and adolescence are increasing in the US population
and require early intervention, as highlighted by a recent Surgeon General's Advisory on …

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 …

This study investigated the psychological impact of the coronavirus disease 2019 (COVID-
19) among youth by analyzing their emotional/behavioral problems before and during the …

Purpose Contemporary mental health models simultaneously consider psychological
distress and wellness. Researchers have proposed that adhering to the 24-hour movement …

Background Longitudinal evidence is lacking on the interplay between lifestyle behaviors
and depressive symptoms, especially in the context of the COVID-19 pandemic. This study …