CONTENTS Chapter 1: Substance use and mood disorder among commercial drivers in Jos-Bukuru metropolis of Plateau State, Nigeria by Charles Nnaemeka Nwoga, Moses D. Audu, Suwa G. Goar, Francis J. Davou, Samuel J. Dakwak & Carmmius U. Ogba Chapter 2: Prevalence of drug use among internally displaced persons in Akwe lbom State. Nigeria by Nsidibe A. Usoro, Enwongo A. Okediji,
