Previous research suggests that sexual minority youth have poorer health-related outcomes than their heterosexual peers. The purpose of this study is to determine whether sexual orientation disparities in mental health and substance use increase, decrease, or remain the same during the transition from adolescence to adulthood. Data are from Waves…

Although most people in developed countries experience sexual initiation during adolescence, little is known about inter-country variability in the psychosocial correlates of early initiation. Population-based samples of 15-year-olds (n = 6,111, 52% female) who participated in the Health Behaviors in School-Aged Children Study (Finland, Scotland,…

Issues with adolescents with intellectual disabilities have received little attention in the research literature. This study compared adolescents with and without intellectual disabilities on several indices of psychosocial adjustment. The participants were selected from a large longitudinal database and comparisons were made at three points in…

This study addresses the controversy of whether adopted adolescents are at risk for more mental health problems than the nonadopted and specifically evaluates differences in suicide ideation and depression. Same gender comparisons were made between 346 adopted adolescents and nearly 14,000 others living with biological parents, with nationally…