Research and Publication
Publications and Reports
Shannon, E. M., Chien, J., Paulazzo, D., Arreglo, G., Henwood, B. F., & Kuhn, R. (2026). Impact of the January 2025 Los Angeles Firestorm on People Experiencing Homelessness. Am J Public Health.
Kuhn, R., Chien, J., Shannon, E. M., Saluja, S., Righi, G., Damra, M., King, C. M., Gelberg, L., & Henwood, B. F. (2026). What are the true medical concerns facing unsheltered homeless adults? Health Aff Sch.
Liu, P., Chien, J., Kuhn, R., Henwood, B.F. A Lifeline Delayed: SNAP Disruptions Among Unhoused Angelenos During the October-November 2025 Federal Government Shutdown
Chien, J., Henwood, B. F., & Kuhn, R. (2026). Criminalizing homelessness: Longitudinal associations of police encounters and homeless sweeps with psychosocial health among the unhoused community in Los Angeles. Soc Sci Med.
Kuhn, R., Chien, J., Guzman Hernandez, N., Mobley, T. M., Paulazzo, D., Corletto, G., & Henwood, B. F. (2025). Periodic Assessment of Trajectories of Housing, Homelessness, and Health Study (PATHS): Protocol for a Prospective Cohort Study of People Experiencing Homelessness. JMIR Research Protocols.
Chien, J., Kuhn, R., & Henwood, B. F. (2025). June 2025 Update: The Impact of Immigration Raids on Los Angeles’ Unhoused Community.
Chien, J., Shannon, E. M., Kuhn, R., & Henwood, B. F. (2025). January 2025 Update: The Impact of the Wildfires on Los Angeles’ Unhoused Community.
Padwa, H., Chien, J., Henwood, B. F., Cousins, S. J., Zakher, E., & Kuhn, R. (2024). Homelessness, discrimination, and violent victimization in Los Angeles County. Am J Prev Med
Kuhn, R., Henwood, B., & Chien, J. (2023). Periodic Assessment of Trajectories of Housing, Homelessness, and Health (PATHS): Fall 2023 Update: Encampment Sweeps and Housing Trajectories.
Kuhn, R., Henwood, B., Lawton, A., & Chien, J. (2022). Under Threat: Surveying Unhoused Angelenos in the Era of Camping Enforcement.
Media Coverage
More than 200,000 lost their homes in the L.A. County fires. For people already on the streets, the damage ran deeper.
Homeless in U.S. impacted by climate change and wildfires.
Most unhoused Angelenos say LA wildfires endangered their lives, study finds.
Homeless encampment cleanups do little to change numbers of people on the street, study finds.
Two researchers aim to better understand L.A.’s homeless crisis with smartphone surveys.
What Do the Unhoused Need? Surveys seek to determine the needs of a community.
California Mobile phones give researchers a deeper look into living homeless in L.A.
Conference presentations
Randall Kuhn, Jessie Chien, Irene del Mastro, Sonali Saluja, Coley King, Brian Zunner-Keating, Charles Robinson, Benjamin Henwood. A longitudinal mixed methods evaluation of field medicine programs in Los Angeles County, California. American Public Health Association. Washington, DC. November 3, 2025.
Evan Michael Shannon, Jessie Chien, Benjamin Henwood, Randall Kuhn. "No Shelter from the Storm: Wildfires, Winds and Homelessness in Los Angeles." Poster presentation at: American Public Health Association Annual Conference 2025. Washington, DC. November 2, 2025.
Mobley, T. M., Chien, J., Paulazzo, D., Seligman, B., Henwood, B., & Kuhn, R. (2024). Prevalence and predictors of functional limitations among Los Angeles County adults experiencing homelessness: Findings from the Periodic Assessment of Trajectories of Housing, Homelessness, and Health Study (PATHS).