DRUG / SUBSTANCE ABUSE BY  Samson Omattah (M. Pharm. B, Pharm) Member, Pharmaceutical Society of Nigeria (PSN), Member, Royal Pharmaceutical Society of Great Britain, (RPS), Member, International Federation of Pharmacists (FIP)   Presented at RCCG, Victory Hall, Lagos, Nigeria  Sunday, 10th Feb., 2019.   Introduction   I am so delighted to be here at this