Estimation of the Serum Levels of Brain-Derived Neurotrophic Factor (BDNF) and Interleukin-1beta and Their Correlation With Clinical Severity in Depression Patients: A Case-Control Study

Cureus. 2025 Aug 2;17(8):e89261. doi: 10.7759/cureus.89261. eCollection 2025 Aug. ABSTRACT BACKGROUND: Depression is a complex psychiatric disorder with no universally accepted risk assessment tools. The pathogenesis of depression remains incompletely understood, and...