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Health anxiety is a condition which can negatively impact the well-being of an individual through rumination or extreme safety measures. However, literature about the factors related to adolescent health anxiety is scarce. In this study, we explored factors potentially related to adolescent health anxiety. Using structural equation modeling, we analyzed data from 1530 Czech adolescents aged 13–18, recruited through quota sampling, and their caregivers (64% female). First, we focused on its transmission from caregiver to offspring and on the moderating effect of gender. Second, we studied the relationship between online health information seeking and adolescent health anxiety with eHealth literacy as a potential moderator. The responses partially supported our hypotheses. Adolescent health anxiety was positively related to the health anxiety of the caregiver. Disease information seeking was positively related to health anxiety, but we found no such effect for fitness information seeking. Finally, eHealth literacy did not moderate online health information seeking. Our results underline that the health anxiety of caregivers and their offspring are intertwined and should ideally be addressed together. Furthermore, we show that for adolescents, like adults, online disease information seeking can be related to health anxiety and should be considered. Highlights: Adolescent health anxiety was positively related to parent health anxiety. Neither the parent's nor the offspring's gender moderated the relationship between adolescent and parental health anxiety. Seeking disease, but not fitness information online was related to health anxiety. eHealth literacy did not moderate the relationship between seeking health information online and health anxiety. [ABSTRACT FROM AUTHOR]

Physical appearance and, specifically, weight are common reasons for cyberhate attacks among adolescents. Using a between-subject experimental design, this study focuses on the bystanders of such attacks on Instagram. We investigate bystanders' assessments in the form of two moral disengagement (MD) mechanisms—victim blaming and minimizing consequences—and we compare the assessments of attacks that are diversified by the victim's weight (i.e., a victim who is plus-size and a victim who is thinner). We also examine the moderating roles of bystanders' prejudice against people who are plus-size in the form of the so-called anti-fat attitudes, their frequency of viewing body-positive online content, and gender. The study's data come from an online survey conducted in 2020 with a representative sample of 658 Czech adolescents, aged 13–18. We tested our hypotheses with structural equation modeling. The results show that the two MD mechanisms work differently. The victim's displayed weight affected the bystanders' tendency to victim blame: adolescents blamed the victim who is plus-size more than the victim who is thinner, but the victim's weight made no difference in minimizing the consequences of the incident. A moderating effect for anti-fat attitudes and gender was found for victim blaming. Bystanders with higher anti-fat attitudes and boys blamed the victim who is plus-size more than the victim who is thinner. On the other hand, there was no effect for the frequency of viewing body-positive online content for either of the MD mechanisms. The results are discussed with regard to the differences between the two mechanisms and the practical implications for educational and prevention programs for youth. [ABSTRACT FROM AUTHOR]