The present book provides sound science-based information on food, nutrients, the causes of malnutrition, nutritional disorders and their prevention. It emphasizes three prerequisites of good nutrition food security, good health and adequate care. Food-based approaches are emphasized as the only sustainable way to improve the nutritional status of all. In developing countries better development of agricultural resources can improve food supplies, employment and incomes and thus enable adequate diets. Nutrition is the intake of food, considered in relation to the body’s dietary needs. Good nutrition an adequate, well balanced diet combined with regular physical activity is a cornerstone of good health. Poor nutrition can lead to reduced immunity, increased susceptibility to disease, impaired physical and mental development, and reduced productivity. Food nutrition is a key element in maintaining our overall physical well being. We must always pay attention to the foods that we eat because they will eventually impact our health, for better or for worst. We have more information available about the benefits of every particular food group than we’ve ever had before, which is why we also have a bigger responsibility than ever before to make assertive and responsible food choices. Carbohydrates, fats and proteins have each got a specific function to serve in our bodies. The key to good health lies in maintaining balanced food nutrition. This book is designed as a useful reference for Student and researcher in food and nutrition, health, education and other allied fields who are seeking to promote simple, practical and affordable actions to solve nutritional problems. It will be especially useful for those working with rural populations.