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Nutritional assessment is a systematic process used to evaluate an individual’s nutritional status and needs. It involves the collection, interpretation, and integration of various data related to dietary intake, anthropometric measurements, biochemical markers, and clinical indicators. Recent advancements in technology and research have introduced innovative techniques for assessing nutritional status, providing more accurate and comprehensive evaluations. This article aims to explore recent techniques and approaches used in nutritional assessment.

Dietary Assessment:

Dietary assessment involves the evaluation of an individual’s food and nutrient intake. Recent advancements in technology have improved the accuracy and ease of dietary assessment methods. Some notable techniques include:

Mobile Applications: Smartphone apps and web-based platforms that allow individuals to record their dietary intake and provide real-time feedback have gained popularity. These apps often incorporate image recognition, barcode scanning, and portion size estimation algorithms. Studies have shown promising results in the validity and reliability of such apps for dietary assessment (Gemming et al., 2016).

Wearable Devices: Devices such as smartwatches and activity trackers can estimate energy expenditure and track eating patterns through motion sensors and heart rate monitoring. These technologies provide objective data on physical activity and sedentary behavior, which can aid in assessing energy balance and dietary patterns (Trost et al., 2014).

Anthropometric Measurements:

Anthropometric measurements assess body composition and physical dimensions. Recent techniques have improved the accuracy and efficiency of these assessments:

Dual-Energy X-ray Absorptiometry (DXA): DXA is a non-invasive technique that measures bone density and body composition, including fat mass and lean mass. It provides detailed information on regional and whole-body composition, aiding in the assessment of nutritional status (Mazess et al., 2011).

Bioelectrical Impedance Analysis (BIA): BIA measures body composition by passing a low-level electrical current through the body. Recent research has focused on enhancing BIA devices with multi-frequency measurements, segmental analysis, and algorithms to improve accuracy and reliability (Buffa et al., 2019).

Biochemical Markers:

Biochemical markers assess nutrient status and metabolic functions. Recent advancements have introduced innovative techniques for analyzing nutritional biomarkers:

Metabolomics: Metabolomics involves the comprehensive profiling and analysis of metabolites in biological samples. It provides insights into metabolic pathways and nutrient metabolism. Metabolomics techniques, such as mass spectrometry and nuclear magnetic resonance spectroscopy, have facilitated the identification of biomarkers associated with specific dietary patterns and nutritional deficiencies (Guasch-Ferre et al., 2018).

Nutrigenomics: Nutrigenomics investigates the interaction between genes and nutrients to understand how dietary components affect gene expression and metabolic pathways. Recent research has identified genetic markers and gene expression profiles related to nutrient metabolism and dietary responsiveness (Ordovás et al., 2018).

Recent advancements in technology and research have revolutionized the field of nutritional assessment. Innovative techniques, such as mobile applications for dietary assessment, wearable devices for activity monitoring, DXA and BIA for body composition analysis, and metabolomics and nutrigenomics for biomarker profiling, have improved the accuracy, efficiency, and comprehensiveness of nutritional assessments. These advancements provide researchers and healthcare professionals with valuable tools to evaluate nutritional status, personalize dietary interventions, and monitor changes in response to interventions.


  • Buffa R, et al. Advances in bioelectrical impedance analysis for measuring body composition. Eur J Clin Nutr. 2019;73(2): 231-235.
  • Gemming L, et al. Smartphone apps for weight loss and smoking cessation: Quality ranking of 120 apps. N Z Med J. 2016;129(1441): 73-76.
  • Guasch-Ferre M, et al. Metabolomics in prediabetes and diabetes: A systematic review and meta-analysis. Diabetes Care. 2018;41(11): 2616-2627.
  • Mazess RB, et al. Dual-energy X-ray absorptiometry for total-body and regional bone-mineral and soft-tissue composition. Am J Clin Nutr. 2011;94(6): 1687S-1692S.
  • Ordovás JM, et al. Nutrigenetics, nutritional genomics, and personalized nutrition. Annu Rev Nutr. 2018;38: 125-146.
  • Trost SG, et al. Objective measurement of physical activity in youth: Current issues, future directions. Exerc Sport Sci Rev. 2014;42(2): 112-119.