Unraveling Nutritional Deficiency: The Impact on Health and Well-being
Dr. Juli Chakma1; Dr. Divyaprakash R. Choravada2, Hilari Debbarma
- Division of Animal Nutrition, ICAR-IVRI
- Division of Biochemistry, ICAR-IVRI
- Division of Microbiology, ICAR-IVRI
E-mail: julichakma2298@gmail.com
Nutrition plays a pivotal role in maintaining overall health and well-being (FAO/WHO, 2013). However, when the body lacks essential nutrients, it can lead to various deficiencies, impacting our physical and mental health (World Health Organization [WHO], 2019). Nutritional deficiencies arise when the body doesn’t receive adequate amounts of vital nutrients like vitamins, minerals, proteins, fats, and carbohydrates necessary for optimal functioning (Hess, 2014).
One of the most common deficiencies worldwide is iron deficiency, affecting millions (Stoltzfus & Dreyfuss, 1998). Iron is crucial for red blood cell production, and its scarcity can lead to anemia, causing fatigue, weakness, and even impaired cognitive function (WHO, 2020). Another prevalent deficiency is Vitamin D, known as the sunshine vitamin (Holick, 2007). Lack of exposure to sunlight or inadequate dietary intake can lead to Vitamin D deficiency, linked to weakened bones, compromised immune function, and increased susceptibility to infections (Cashman & Dowling, 2014). Iodine deficiency can result in thyroid problems, impacting metabolism and growth (Zimmermann, 2009). In pregnant women, it can lead to severe developmental issues in the fetus (Pearce & Braverman, 2009). Meanwhile, inadequate intake of Vitamin B12 can cause fatigue, nerve damage, and cognitive impairment (Allen, 2009). For children, inadequate nutrition can significantly impact growth and development (Black et al., 2013). Insufficient intake of calcium and Vitamin A, for instance, can lead to weakened bones and vision problems, respectively (Bailey et al., 2010; Sommer & Vyas, 2012).
Poor dietary choices, restricted diets, or socioeconomic factors can contribute to these deficiencies (Black et al., 2013). Vegetarians and vegans, for instance, may lack certain nutrients found abundantly in animal products (Pawlak et al., 2014). Additionally, those with limited access to a diverse range of foods or those following fad diets may not meet their nutritional needs (Gibney et al., 2004). Addressing nutritional deficiencies involves adopting a balanced and varied diet (Dietary Guidelines for Americans, 2020). Incorporating nutrient-rich foods like fruits, vegetables, whole grains, lean proteins, and healthy fats is essential. In some cases, supplements might be necessary under the guidance of healthcare professionals (Dror & Allen, 2010).
Education about proper nutrition and the importance of a balanced diet is crucial to prevent deficiencies (World Cancer Research Fund/American Institute for Cancer Research [WCRF/AICR], 2018). Government policies promoting nutrition education and ensuring access to nutritious foods for all socio-economic groups can help combat this issue (FAO/WHO, 2014).
Ultimately, understanding the impact of nutritional deficiencies on health and taking proactive steps towards a well-rounded diet is fundamental for maintaining optimal health and vitality (Ezzati et al., 2002). Remember, a balanced diet not only nourishes the body but also nurtures a healthier and happier life.
References:
Allen, L. H. (2009). How common is vitamin B-12 deficiency? The American Journal of Clinical Nutrition, 89(2), 693S–696S.
Bailey, R. L., West, K. P., & Black, R. E. (2010). The epidemiology of global micronutrient deficiencies. Annals of Nutrition and Metabolism, 56(1), 8–17.
Black, R. E., Victora, C. G., Walker, S. P., Bhutta, Z. A., Christian, P., de Onis, M., Ezzati, M., Grantham-McGregor, S., Katz, J., Martorell, R., & Uauy, R. (2013). Maternal and child undernutrition and overweight in low-income and middle-income countries. The Lancet, 382(9890), 427–451.
Cashman, K. D., & Dowling, K. G. (2014). Vitamin D deficiency in Europe: pandemic? The American Journal of Clinical Nutrition, 99(3), 888–890.
Dietary Guidelines for Americans. (2020). USDA. https://www.dietaryguidelines.gov
Dror, D. K., & Allen, L. H. (2010). Effect of vitamin B12 deficiency on neurodevelopment in infants: current knowledge and possible mechanisms. Nutrition Reviews, 68(11), 655–663.
Ezzati, M., Lopez, A. D., Rodgers, A., Vander Hoorn, S., & Murray, C. J. (2002). Selected major risk factors and global and regional burden of disease. The Lancet, 360(9343), 1347–1360.
FAO/WHO. (2013). Dietary protein quality evaluation in human nutrition: Report of an FAO Expert Consultation. FAO.
FAO/WHO. (2014). Sustainable healthy diets: Guiding principles. FAO.
Gibney, M. J., Lanham-New, S. A., Cassidy, A., Vorster, H. H., & Gibney, M. J. (Eds.). (2004). Introduction to human nutrition. Blackwell Publishing.
Hess, S. Y. (2014). National approaches to monitoring micronutrient status in women and children: a review of the current evidence. The Journal of Nutrition, 145(4), 863S–866S.
Holick, M. F. (2007). Vitamin D deficiency. The New England Journal of Medicine, 357(3), 266–281.
Pawlak, R., Lester, S. E., & Babatunde, T. (2014). The prevalence of cobalamin deficiency among vegetarians assessed by serum vitamin B12: a review of literature. European Journal of Clinical Nutrition, 68(5), 541–548.
Pearce, E. N., & Braverman, L. E. (2009). Iodine deficiency, thyroid function, and brain development in the era of universal salt iodization. Current Opinion in Endocrinology, Diabetes, and Obesity, 16(5), 407–417.
Sommer, A., & Vyas, K. S. (2012). A global clinical view on vitamin A and carotenoids. The American Journal of Clinical Nutrition, 96(5), 1204S–1206S.
Stoltzfus, R. J., & Dreyfuss, M. L. (1998). Guidelines for the Use of Iron Supplements to Prevent and Treat Iron Deficiency Anemia. ILSI Press.
WHO. (2019). Malnutrition. https://www.who.int/news-room/fact-sheets/detail/malnutrition
WHO. (2020). Iron deficiency anaemia. https://www.who.int/news-room/fact-sheets/detail/iron-deficiency-anaemia
World Cancer Research Fund/American Institute for Cancer Research. (2018). Diet, Nutrition, Physical Activity and Cancer: a Global Perspective. WCRF/AICR.
Zimmermann, M. B. (2009). Iodine deficiency in pregnancy and the effects of maternal iodine supplementation on the offspring: a review. The American Journal of Clinical Nutrition, 89(2), 668S–672S.