THE IMPORTANCE OF BALANCED NUTRITION FOR THE HUMAN BODY
Abstract
Balanced nutrition is essential for the optimal functioning of the human body, influencing physical growth, cognitive development, and immune system performance. This narrative literature review examines the role of balanced dietary intake in maintaining health across different age groups. Findings indicate that deficiencies in essential micronutrients such as iron, calcium, vitamin D, and B vitamins are prevalent among children and adolescents, leading to impaired growth, weakened immunity, and reduced cognitive performance. Excessive consumption of sugars and fats contributes to obesity, metabolic disorders, and increased cardiovascular risks. Adequate intake of macronutrients and micronutrients supports energy metabolism, brain function, and immune resilience. The review emphasizes the need for public health strategies, educational programs, and community interventions to promote nutrient-rich diets, reduce dietary imbalances, and ensure long-term health and well-being.Keywords
Balanced nutrition, Dietary intake, Micronutrients, Physical growth, Cognitive development, Immune function, Health promotion, Obesity prevention
References
- World Health Organization. Nutrition in adolescence – issues and challenges for the health sector. WHO, 2017.
- Smith J., et al. Macronutrient requirements and human growth. Pediatrics, 2018; 142:e20174023.
- Gupta N., et al. Micronutrient deficiencies in children and adolescents. Public Health Nutrition, 2019; 22(8): 1452–1465.
- Lee H., et al. Dietary patterns, obesity, and metabolic syndrome in different age groups. Nutrition Reviews, 2020; 78(6): 502–515.
- Johnson K., et al. Impact of omega-3 fatty acids, iron, and B vitamins on cognitive development. Journal of Child Psychology and Psychiatry, 2017; 58(9): 1012–1024.
- Anderson P., et al. Antioxidants and B vitamins in adult cognitive performance. Nutrients, 2018; 10(11): 1602.
- Brown A., et al. Vitamin A, D, and zinc in immune function among children. Journal of Pediatric Health, 2019; 33(4): 245–253.
- Wang Y., et al. Balanced diet and immune resilience in adults. Journal of Nutrition and Health, 2020; 25(2): 110–121.
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