Trans youth-related research
Olsavsky, A. L., Grannis, C., Bricker, J., Chelvakumar, G., Indyk, J. A., Leibowitz, S. F., Mattson, W. I., Nelson, E. E., Stanek, C. J., & Nahata, L. (2023). Associations among gender-affirming hormonal interventions, social support, and transgender adolescents' mental health. Journal of Adolescent Health, 72(6), 860-868.
Olson, K. R., Durwood, L., DeMeules, M., & McLaughlin, K. A. (2016). Mental health of transgender children who are supported in their identities. Pediatrics, 137(3).
Tordoff, D. M., Wanta, J. W., Collin, A., Stepney, C., Inwards-Breland, D. J., & Ahrens, K. (2022). Mental health outcomes in transgender and nonbinary youths receiving gender-affirming care. JAMA Network Open, 5(2).
Trans adult-related research
What does the scholarly research say about the effect of gender transition on transgender well-being? From Cornell University's What We Know: A Public Policy Journal (2018). Includes links to dozens of studies and lit reviews.