Knowledge, Prevalence, Patterns, and Factors Associated with Substance Abuse among Police Officers in Enugu State, Nigeria - Uzoma Chidi Okereke; Emmanuel N. Aguwa; Stella Ngozi Okereke; Chioma NP Mbachu; Nnenna Chiloli; Nnaemeka Emmanuel Akubue; Chinekwu S. Anyaoku; Okoli Adaora Ukamaka; Igwe Onyedikachi Michael; Gibson Ifechukwude Chiejine (Journal of Public Health, Policy, and Society, 2026)