Adolescence and early adulthood are periods of rapid biological and social change, during which stressors can have large, and long-lasting impacts on stress biology and developmental outcomes. Some have termed adolescence a “second sensitive period” due to rapid changes in biology and increases in stress-sensitivity occurring during this period. Although much early research focused on family and peer stressors and daily life events stress in adolescents and young adults, more recent theory and research has highlighted the important impacts of youth exposure to more structural forms of stress emerging from broader neighborhood, societal, and cultural contexts, such as economic stress, or the stress of discrimination based on race, gender identity and/or sexual orientation, especially among minoritized youth. Recent research has also focused on positive aspects of youth development and youth contexts that may protect youth against the negative impacts of stress or promote positive youth development in the face of high stressor exposure. In this set of four talks, researchers each highlight the impacts of different structural/contextual forms of stressors or supports on multiple stress-sensitive aspects of adolescent or young adult biology, and the implications of stress-related alterations in biology for youth health and wellbeing. In the first presentation, Paul Hastings reviews data from the California Families project, a large longitudinal sample of Mexican-origin families, presenting data on how structural stressors and exposures impact multiple youth neurobiological systems. In the second presentation, Luis Parra presents data from multiple studies on the impacts of heterosexist and racist discrimination and hate violence on the adrenocortical functioning, psychosocial adjustment, and mental health of ethnically/racially diverse LGBQ young adults. In the third presentation, Leah Doane examines the impact of cultural values and cultural contexts on the day-to-day links between sleep and diurnal cortisol patterns among Latino college students. In the final presentation, Lindsay Till-Hoyt presents data from two studies focusing on how macro-level sociopolitical events, the 2016 and 2020 U.S. presidential elections, differentially affect youth stress (perceived stress and diurnal cortisol patterns) and youth behavior (e.g. civic engagement) depending on their social positions, identities and experiences. Together, these studies highlight the importance of examining diverse samples of youth and considering how broad social, political, economic and cultural contexts intersect to affect youth exposures to stressors and supports, which in turn impact their stress biology and developmental wellbeing.
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