Open Access in JAH
Social Media Use and Cyber-Bullying: A Cross-National Analysis of Young People in 42 Countries
Social media use (SMU) has become an intrinsic part of adolescent life. Negative consequences of SMU for adolescent health could include exposures to online forms of aggression. We explored age, gender, and cross-national differences in adolescents' engagement in SMU, then relationships between SMU and victimization and the perpetration of cyber-bullying.How Are Adolescents Sleeping? Adolescent Sleep Patterns and Sociodemographic Differences in 24 European and North American Countries
Insufficient and poor sleep patterns are common among adolescents worldwide. Up to now, the evidence on adolescent sleep has been mostly informed by country-specific studies that used different measures and age groups, making direct comparisons difficult. Cross-national data on adolescent sleep that could inform nations and international discussions are lacking. We examined the sleep patterns of adolescents across 24 countries and by gender, age, and affluence groups.Adolescent Risk-Taking, Cancer Risk, and Life Course Approaches to Prevention
Adolescent risk-taking may have long-term consequences for adult cancer risk. Behaviors such as smoking and sexual activity, commonly initiated during adolescence, may result—decades later—in cancer. Life course epidemiology focuses on unique vulnerabilities at specific development periods and their importance to later development of disease. A life course epidemiological perspective that integrates social and biological risk processes can help frame our understanding how specific adult cancers develop.
