Nutrition deals with studying the interaction of nutrients and their effect on growth and maintenance of the body. Food safety is the branch of science that deals with the effective handling, preparation, and preservation of food and health is the ability of living beings to adapt to the corresponding environment and protect themselves from the infections and diseases. All of these combine to form a synergic effect for the well-being of people. This book attempts to understand and explain various important topics such as human nutrition, food safety and toxicology, public health, nutrition, diet-related non communicable disease, food consumption, food intake, food security, etc. From theories to research to practical applications, case studies related to all contemporary topics of relevance to this field have been included in it. It will help the readers in keeping pace with the rapid changes in this field. This book will prove to be an asset for nutritionists, food scientists, health professionals and students alike.