Publications
Research and Publication
Peer-reviewed papers, public reports, conference presentations, and press coverage.
Publications and Reports
- 2026Access
Shannon, E. M., Chien, J., Henwood, B. F., & Kuhn, R. (2026). The health impacts of the January 2025 Los Angeles wildfires among unhoused communities. Environ Health Perspect.
- 2026Access
Mobley, T. M., Chien, J., Paulazzo, D., Seligman, B. J., Henwood, B. F., & Kuhn, R. (2026). Examining Functional Limitation Trajectories Among Adults Experiencing Homelessness Versus the General Adult Population in Los Angeles County. Am J Prev Med.
- 2026Access
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.
- 2026Access
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.
- 2026Access
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.
- 2026Access
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.
- 2025Access
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.
- 2025Access
Chien, J., Kuhn, R., & Henwood, B. F. (2025). June 2025 Update: The Impact of Immigration Raids on Los Angeles' Unhoused Community.
- 2025Access
Chien, J., Shannon, E. M., Kuhn, R., & Henwood, B. F. (2025). January 2025 Update: The Impact of the Wildfires on Los Angeles' Unhoused Community.
- 2024Access
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.
- 2023Access
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.
- 2022Access
Kuhn, R., Henwood, B., Lawton, A., & Chien, J. (2022). Under Threat: Surveying Unhoused Angelenos in the Era of Camping Enforcement.
Media Coverage
- 2026Read
Los Angeles Times
More than 200,000 lost their homes in the L.A. County fires. For people already on the streets, the damage ran deeper.
- 2026Read
UCLA Newsroom
Homeless in U.S. impacted by climate change and wildfires.
- 2026Read
LAist
Most unhoused Angelenos say LA wildfires endangered their lives, study finds.
- 2024Read
Los Angeles Times
Homeless encampment cleanups do little to change numbers of people on the street, study finds.
- 2023Read
NBC News
Two researchers aim to better understand L.A.'s homeless crisis with smartphone surveys.
- Read
UCLA Blueprint
What Do the Unhoused Need? Surveys seek to determine the needs of a community.
- 2022Read
Los Angeles Times
Mobile phones give researchers a deeper look into living homeless in L.A.
Conference presentations
- 2025Access
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.
- 2025Access
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.
- 2024Access
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).