"THE MITOCHONDRIA IN HEALTH AND DISEASE" is an attempt to include the various aspects of mitochondria the powerhouse of cell". It starts the evolutionary aspects and ends with the recent advances, including structure, its genome, role in metabolic cycles, and many other important aspects. This is not only useful for students persuing higher education but even for students obtaining their graduation degree. This book is not only for medical students but also for any biology student persuing degree in any branch of biology.