This module will introduce students to the drugs that work on systems including the neurological, endocrine, immune, cardiovascular disorders and cancer and their mechanisms of action. It will also consider drugs of abuse including cocaine, ecstasy and marijuana and their harmful effects and post marketing safety of pharmaceuticals and pharmacovigilance. Introductory lectures will be followed by lectures in specialized areas of the subject given by experts in their field. In addition to formal lectures and interactive seminars, the course will provide tutorials with opportunities to critically-evaluate research papers. We will offer practical workshop sessions to reinforce the lectures.