The field of medicine which deals with the maintenance of health in the workplace is known as occupational medicine. It aims at preventing and treating the injuries and diseases in one's workplace along with the maintenance and increase in the productivity and social adjustment. Some of the common occupational diseases are occupational asthma, contact dermatitis, overuse syndrome, carpal tunnel syndrome, computer vision syndrome, lead poisoning and radiation sickness. Environmental medicine is a sub-field of environmental health. It includes the study of the interactions between the environment and human health. It also studies the role of environment in causing illnesses in humans. This book is compiled in such a manner, that it will provide in-depth knowledge about the theory and practice of occupational and environmental medicine. It is a compilation of chapters that discuss the most vital concepts and emerging trends in the field of occupational and environmental medicine. This book includes contributions of doctors and experts which will provide innovative insights into this field.