A Trying Time: Problematic Internet Use (PIU) and its association with depression and anxiety during the COVID-19 Pandemic.

Background: The prevalence of problematic Internet use (PIU) among adolescents and young adults (AYA) was approximately 9-11% before the COVID-19 pandemic. The purpose of this study was to determine the prevalence of PIU among AYAs (especially younger adolescents) during the COVID-19 pandemic using the Problematic and Risky Internet Use Screening Scale (PRIUSS). Additionally, we examined the relationship between PIU, depression and anxiety among AYAs during the same period.

Vitamin D Deficiency among Adolescent Females with Polycystic Ovary Syndrome.

Study Objective: Studies have suggested that low vitamin D levels may play a role in the pathogenesis of polycystic ovary syndrome (PCOS). The aim of our study was to compare 25-hydroxyvitamin D [25(OH)D] levels in adolescent females with and without PCOS.

Design, Setting, And Participants: Retrospective chart review at a tertiary care medical center for female adolescents aged 12-21 years with serum 25(OH)D measurements within a 5-year period.