Target audience: MBBS for first and second years in Pakistani Medical Colleges and students preparing for USMLE,PLAB and NLE. Aim:The biochemical aspects and their correlation to disease processes in humans. At start of video a waiting room is added [ inspired by Mark's Basic Medical Biochemistry] in which different patients with complaints relevant to content of lecture are sitting at the end of the lecture the biochemical basis of complaints is explained. Relevant [MCQs] ,[PBQs] are also added in lectures to make it easier for students to grasp the core concepts. Sources used for preparation of lectures include: Lippincott's Biochemistry, Harper's Biochemistry, Marks' biochemistry, Lippincott's cell and molecular biology, Lehninger's Biochemistry, Color Atlas of Biochemistry by Koolman, Kaplan USMLE step I lecture notes and Board review series questions in all videos to be uploaded after 24 October 2021 onwards. Prof. Dr. Jariya Kalsoom