RESULTS: Results showed adolescents engaged in high levels of VPA used marijuana less frequently (p = .05) and reported heavy use of marijuana less frequently (p = .03); consumed greater numbers of healthy carbohydrates (p < .001) and healthy fats in their diets (p < .001); used stress management techniques more frequently (p < .001); and reported a higher quality of sleep (p = .01) than those engaged in low levels of VPA. Fewer differences were found on frequency of MPA and health behaviors of adolescents. CONCLUSIONS: These findings suggest that adolescents who frequently participate in VPA may be less likely to engage in drug use, and more likely to participate in a number of health promoting CB-839 behaviors. Longitudinal and experimental studies are needed to determine what role frequent VPA may play in the onset and maintenance of health enhancing and protecting behaviors among adolescent populations. ""BACKGROUND: Advocates for the implementation of the Balanced School Day (BSD) schedule argue that this schedule will increase opportunities for physical activity. However, the relationship between this scheduling change and its impact on physical activity has not been examined. Thus, this study assessed levels of physical activity in students attending 2 different schools: 1 using the BSD and the other using the Traditional School Day (TSD) schedule. METHODS: Participation of students between grades 3 and 6 was sought. Data were collected over 4 PI3K inhibitor school days using check details pedometers. Independent Sample t tests and 1-way analysis of variance (ANOVA) were performed. RESUTLS: A total of 117 students participated. Overall, average daily step counts for boys (6972 ?? 1952) were significantly higher than girls (5742 ?? 1495; p < .001). These average step counts represent 47% and 48% of the recommended amount of steps needed for health benefits for children between the ages of 6 and 12. The average daily step count for students using the BSD schedule was 6017 (??1666), while the average daily step count for students using the TSD schedule was 6788 (??1987). The difference in steps (771) was statistically significant (p = .03). CONCLUSIONS: These results do not support claims that the BSD offers increased physical activity. In fact, these results suggest that students enrolled in schools using the BSD schedule may have reduced daily physical activity. In addition, these results demonstrate that overall school-based physical activity is less than half of the recommended level; independent of school scheduling. ""BACKGROUND: Low-level violent behavior, particularly school bullying, remains a critical public health issue that has been associated with negative mental and physical health outcomes. School-based prevention programs, while a valuable line of defense to stave off bullying, have shown inconsistent results in terms of decreasing bullying.