Comprehensive guide covering fundamentals of nutrition, meal planning, and diet therapy. Includes detailed discussions on nutrients, energy metabolism, and disease-specific nutrition. Features practical illustrations, charts, and tables for better understanding. Tailored content for diverse fields like nursing, home science, and community health. Appendices with dietary allowances, food composition tables, and a glossary for quick reference. This book has consistently been used by students studying the first course in Food Science and Nutrition. In several universities, diet therapy topics have been added in the curricula of this course. Therefore, diet therapy has been added in this revised edition, with a hope of meeting the changing needs of the readers in this area. The revised edition incorporates topics that are related to subjects, like nursing, education, art, social sciences, home science, medical and paramedical sciences, agriculture, community health, environmental health and pediatrics etc.