Harm Reduct J. 2026 Jul 1. doi: 10.1186/s12954-026-01492-0. Online ahead of print. ABSTRACT INTRODUCTION: People who use drugs (PWUD) in the U.S. often face barriers to accessing harm reduction, social, and medical services, including fragmented systems and limited access to locally relevant, usable information. A digital harm reduction support tool (DHRST) that identifies clients’ needs […]