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Background Adolescent girls appear more vulnerable to experiencing mental health difficulties from social media use than boys. The presence of sexualized images online is thought to contribute, through increasing body dissatisfaction among adolescent girls. Sexual objectification through images may reinforce to adolescent girls that their value is based on their appearance. This study explored how sexualized images typically found on social media might influence adolescent girls’ mental health, in positive and/or negative ways. Methods In-depth interviews were conducted with girls aged 14–17 years (n = 24) in Perth, Western Australia. Data were analyzed using thematic analysis. Results Participants identified body image as a major concern, reporting negative appearance comparisons when viewing images on social media. Appearance comparisons were perceived to exacerbate adolescent girls’ appearance-based concerns. Comparisons also influenced adolescent girls’ efforts to change their appearance and seek validation on social media. The importance of awareness and education from a younger age about social media and its influence on body image was emphasized, as was the need for strategies to promote positive body image and counteract negative body image. Conclusion The findings of this study have important implications for professionals working with adolescent girls and for the development of health promotion programs addressing social media use and body image concerns.

Background: Social emotional development is imperative to young children’s long-term psychological and physical health. Physical activity (PA) may be important for young children’s social emotional development. The association between preschooler PA duration and intensity and social emotional development was investigated. Methods: Data from six hundred and fifty-one 2- to 4-year-olds in the Play Spaces and Environments for Children’s Physical Activity (PLAYCE) study were analyzed. PA was measured using ActiGraph-GT3X accelerometers worn over 7 days. Social emotional development was measured using the parent-completed Strengths and Difficulties Questionnaire. Multilevel linear regression models examined the association between PA duration and intensity and Strengths and Difficulties Questionnaire subscales. Results: Preschoolers did 158.2 (SD = 40.2) minutes per day of PA with 27% meeting the Australian Physical Activity Guidelines for the Early Years. There was a 1.74 point decrease in the total Strengths and Difficulties Questionnaire score for each additional hour of moderate-intensity PA per day (P < .05). Similar significant associations were found across all domains of social emotional development except hyperactivity, and were consistent across different intensities of light, moderate, and vigorous PA. Conclusions: These findings highlight the potential importance of PA, especially moderate-intensity play-based PA, for different aspects of preschool children’s social emotional development. Longitudinal and intervention research is required to confirm whether promoting PA in the early years provides developmental benefit.

This research explored adults’ perceptions of how sexualized images typically found on social media might influence adolescent girls’ mental health, what support girls might need should they experience mental health difficulties, and how such difficulties could be prevented or reduced. Qualitative data were collected using semi-structured in-depth interviews with parents of adolescent girls (n = 11) and those who provide support to them: school support service staff (n = 7) and youth mental health service providers (n = 10) located in Perth, Western Australia. All three participant groups perceived sexualized images typically found on social media as exacerbating poor mental health among adolescent girls. Two interrelated themes, emerged with participants describing the ‘potential for comparison’ and ‘pressure to conform’ they believed girls encounter on social media that influences their mental health. Participants also explained how they perceived ‘counteracting negative influences’ related to sexualized images on social media could prevent or reduce the potential for mental health harms among girls, and the importance of adults and services ‘keeping up to date’ and being ‘approachable and trustworthy’ when describing the support they believed girls might need. The findings of this study have important implications for the development of health promotion programs focused on social media use and mental health among adolescent girls.