One of the world's most crucial problem today is malnutrition and nutrient deficiency, especially in children. Lack of basic food and water resources, coupled with poverty has led to an increase in this issue worldwide. Malnutrition refers to the state of having nutrition deficiency from not eating enough or enough nutrition rich food. It also includes lack of vitamins, carbohydrates, minerals, proteins and even calories. This book presents the subject of malnutrition and nutrient deficiency as easy and informative as possible, for the readers. The textbook also includes topics dealing with cause and effect of this problem. This book, with its detailed analyses and data, will prove immensely beneficial to professionals and students involved in this area at various levels.