Problem: Condense to three strong sentences paragraph: Research highlights the advantages of ecological approaches in mental health policy, with Robins et al. (2024) showing that addressing social determinants at multiple levels enhances adolescent depression outcomes. Kousoulis and Goldie (2021) emphasize the need for coordinated multisector interventions across healthcare, housing, education, and social support. Furthermore, Subiza-Pérez et al. (2026) advocate for integrated health and social policy solutions across all ecological layers. Together, these studies demonstrate the effectiveness of ecological models in shaping policies that address social determinants of mental health (SDMH). Need Assignment Help?