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Antagonistic effect of arsenic exposure and chronic hepatitis viral infection on hepatocellular carcinoma

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Community-based study reveals the antagonistic effects of arsenic and hepatitis on liver cancer risk, indicating the need for further investigation.

A strong association was found between low inorganic arsenic levels and increased liver cancer risk in hepatitis patients, emphasizing the complexity of interactions.
Participants exposed to high levels of hepatitis infection and low arsenic had the highest liver cancer risk, reflected by a hazard ratio of 7.04.
This observational analysis focused on 7,837 participants over 19 years, using Cox proportional hazards models to assess risks and associations.
These findings suggest that inorganic arsenic may have a suppressive role on hepatitis viral infection-related liver cancer, highlighting future intervention opportunities.

Liao et al. (2025) studied this question.

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Community-based study reveals the antagonistic effects of arsenic and hepatitis on liver cancer risk, indicating the need for further investigation.