This document discusses the relationship between research evidence and decision making in the context of health system reform. It makes three key points:
1) While decisions are influenced by many factors besides evidence, good research can guide decision makers towards better policies by highlighting issues and limiting discretion. However, evidence must also be seen as an empowering tool.
2) Health system reform is currently widespread as countries address both old and new health challenges. Reform processes need research to illuminate unknowns, and a research agenda should be integral to every reform initiative.
3) Essential National Health Research (ENHR) has an important role by ensuring research priorities are participatory and address national problems. ENHR can contribute to reform at