INTRODUCTION Young people are digital natives nowadays; they grow up surrounded by digital information and entertainment on screens.1 In The Netherlands, younger age groups are among the most active internet users in Europe.2 In 2019, 96.2% of Dutch 12–25 year olds used the internet almost daily, and almost all of those who did (99.1%) accessed the internet with their smartphone.3 A large majority of Dutch 12–25 year olds (96.8%) were found to be active on social media.3 Dutch adolescents...