Research
Mixed
Body weight and BMI are inaccurate measures of health status because they fail to distinguish between lean soft tissue (LST) and fat mass, leading to misclassification of nutritional status in elderly and clinical populations.
Stop relying solely on the scale or BMI to judge your health or nutritional status, especially if you are older or have a medical condition. These metrics hide the critical shift between losing muscle and gaining fat. Use imaging (like DXA or CT) or more detailed assessments to measure Lean Soft Tissue (LST) if you need accurate nutritional risk assessment.
GoodRefutesHIGH confidence
Although body weight and body mass index are well-known indexes of health status, most researchers agree that they are rather inaccurate measures, especially for elderly individuals and those patients with specific clinical conditions.
Why this rating
Based on a review of emerging imaging studies (DXA, CT, MRI) establishing LST as an independent predictor.
Source
Lean Tissue Imaging
Carla M. Prado et al. · Journal of Parenteral and Enteral Nutrition · 2014
DOI 10.1177/0148607114550189
narrative_reviewCited 550×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Computed Tomography (CT) imaging at the L3 vertebra is a gold-standard, accurate, and precise method for assessing skeletal muscle cross-sectional area and visceral adipose tissue, allowing for the estimation of whole-body composition from single cross-sectional images.Strong
- Dual-Energy X-ray Absorptiometry (DXA) is a precise, safe, and widely available method for assessing body composition, specifically Lean Soft Tissue (LST) and Appendicular Skeletal Muscle (ASM), though it has limitations regarding body thickness and hardware variability.Good
Related findings · Mixed
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