Project Description: Since January 2025, U.S.-based immigrants have experienced extremely adverse social conditions related to changes in the political climate. Such adverse experiences have been linked to the development of poor health. Understanding and addressing the impact of immigration-related adversity on the health of immigrants is essential for promoting health equity. This project investigates whether immigration-related stress and access to structural and social support are associated with mental health and biological aging among Latiné immigrants. I will do this through a longitudinal study that follows Latine immigrants living across the United States who arrived on or after January 1, 2019. Using data collected at baseline and one year later, the study will investigate two questions: 1) Are there differences in health related to perceived stress associated with the current political climate? And 2) How does variation in access to structural and informal systems of support relate to differences in mental health and biological aging between baseline and follow-up? Overall, this research highlights the mechanisms by which social determinants of health are biologically embodied and identifies modifiable social factors and protective resources that can enhance wellbeing among marginalized peoples in the U.S.