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A narrative review synthesizing mechanistic evidence and clinical frameworks for interpreting iron status in obesity, providing expert recommendations for assessment and management rather than reporting a novel empirical finding.
Cross-sectional observational study with no causal inference possible; reports nutrient-specific associations with cardiometabolic risk factors in a single provincial Chinese cohort, requiring confirmation in prospective designs.
Systematic review and meta-analysis of 68 studies with over 3.6 million participants, providing rigorous population-level prevalence estimates for anemia across Indian age groups, though focused on epidemiology rather than intervention.
Cross-sectional survey with descriptive and exploratory analysis identifying nutritional heterogeneity in blood donors; no intervention tested and no prospective data on long-term outcomes, limiting inference about donor health preservation.
A narrative review synthesizing epidemiology, diagnosis, and management of pediatric iron deficiency anemia, presenting expert recommendations on prevention and treatment without reporting new primary evidence.
Cross-sectional observational study describing prevalence and associations in a bariatric surgery population; no intervention, control arm, or causal inference; hypothesis-generating for iron regulation as a therapeutic target.
A narrative review synthesizing epidemiologic, genetic, and clinical evidence on SCD in India with recommendations for public health policy and clinical practice strengthening.
Cross-sectional prevalence study in a nationally representative cohort quantifying anemia burden and morphological subtypes in Turkish adults; confirms expected patterns (higher in women, lower socioeconomic groups) but lacks intervention or comparative treatment data.