Everyone has the right to a standard of living adequate for the health and well-being of himself and of his family, including food, clothing, housing and medical care and necessary social services, and the right to security in the event of unemployment, sickness, disability, widowhood, old age or other lack of livelihood in circumstances beyond his control. “Nowadays in the rapidly changing world and surrounding it is very necessary to stay healthy and physical fit; so, this book helps you to achieve your desired goal. This book enables you to attain the sufficient knowledge about the relationship between health and nutrition. This book is written in a systematic manner so as to provide the widest possible exposure to the topic. Nutrition plays an important role in health as well as in disease and I have tried to explain it up to its best through this book. This book is about how to improve the nutritional status of the world’s population as a whole. It, therefore, touches each of us and everyone have a role to play in helping the world a step further towards that goal. This book is published at a critical moment in our global understanding of the challenges and opportunities we face. The need for a concerted approach to the elimination of malnutrition worldwide has never been greater. Nor has the world’s desire to confront malnutrition in a concerted manner.