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Nutrients are essential substances that organisms need to survive, grow, and maintain their health. They are typically classified into two main categories: macronutrients and micronutrients. Macronutrients are required in larger amounts and include carbohydrates, proteins, and fats. Carbohydrates are the body's primary source of energy, while proteins are crucial for growth, repair, and maintenance of tissues. Fats are essential for energy storage, hormone production, and the absorption of fat-soluble vitamins. Micronutrients, on the other hand, are needed in smaller quantities and include vitamins and minerals. Vitamins are organic compounds that play various roles in metabolism, while minerals are inorganic elements that are necessary for various bodily functions. Both macronutrients and micronutrients are vital for maintaining overall health and preventing nutrient deficiencies. A balanced diet that includes a variety of nutrient-rich foods is essential for obtaining the necessary nutrients. Nutrient deficiencies can lead to various health issues, including anemia, scurvy, and rickets. Therefore, it is important to consume a diverse range of foods to ensure adequate nutrient intake.