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Welcome to eGyanKosh’s comprehensive study material on Major Deficiency Diseases, specifically focusing on Protein-Energy Malnutrition (PEM) and Xerophthalmia. Designed for students of IGNOU in 2025, this resource aims to provide in-depth insights into these critical health issues that affect countless individuals globally. Here, you will find a wealth of information, educational tools, and downloadable content that will enhance your understanding of the causes, symptoms, and prevention strategies related to these deficiency diseases. Dive in to explore the intricacies of nutrition and public health, empowering yourself with knowledge that can make a significant impact in your field of study and beyond.