What type of study is this?

This is a Meta-Analysis study (also classified as: Systematic Review, Cohort Study, Cross-Sectional Study).

October 2, 2025

A meta-analysis and systematic review on the association between air pollution and chronic liver diseases.

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Systematic review reveals increased liver disease risk linked to air pollution in diverse populations, highlighting implications.

Every 10 μg/m³ increase in PM2.5 is linked to a 3.25% rise in liver enzyme levels, indicating potential liver damage.
The analysis includes 46 studies across Asia, Europe, and the Americas, providing a comprehensive view of air pollution's impact on liver health.
A WHO-approved risk of bias tool indicated varying study quality, with cohort studies yielding more significant results than cross-sectional studies.
Long-term exposure to air pollutants notably heightens the risk of liver diseases, reinforcing the need for greater environmental awareness.

Gao et al. (2025) studied this question.

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