What type of study is this?

This is a Cross-Sectional Study study.

October 13, 2025

Estimation of Chromium in Blood, Hair, and Nail of Workers of Leather Industry in Sialkot

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Cross-sectional study assesses chromium levels in blood, hair, and nails of tannery workers, highlighting health risks.

Chromium levels in leather workers were significantly higher than in controls, indicating exposure risk.
Workers had elevated chromium in blood (0.5833 µg/dl) and in hair (0.7472 µg/g) compared to controls (0.3600 µg/dl and 0.2018 µg/g).
Cross-sectional analysis among 40 workers and 40 controls utilized biological sampling and ICP-OES for chromium assessment.
Findings underscore the need for regular biomonitoring to address chromium-related health issues in industrial settings.

Ehsan et al. (2025) studied this question.

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