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Vaccines

Tea Consumption Linked to Reduced Liver Cancer Risk

Strategic Insights

— 1 min read

Researchers at Kaiser Permanente Southern California have identified a correlation between tea consumption and a decreased risk of liver cancer, particularly in individuals with hepatitis B virus (HBV) infections. The study, published in the journal Nutrients, analyzed data from a population-based case-control study in Jiangsu Province, China, and found that regular tea drinking was associated with a lower risk of liver cancer compared to those who never drank tea.

Key Takeaways:

  • Regular tea drinking showed an inverse association with the risk of liver cancer, with an odds ratio (OR) of 0.79 (95% CI: 0.63-0.99).
  • Current tea drinking showed an inverse association with liver cancer, with an OR of 0.51 (95% CI: 0.39-0.66).
  • Former tea drinking showed a positive association with liver cancer, with an OR of 3.56 (95% CI: 2.42-5.23).
  • Interactions between tea drinking and HBV infection, alcohol consumption, and raw water drinking were observed, with potential additive effects.
  • Tea consumption may serve as an additional preventive measure for liver cancer, particularly among high-risk populations such as individuals with HBV infections or who consume alcohol.

Statistics:

  • 2011 incident liver cancer cases and 7933 controls were included in the analysis.
  • The study was conducted in Jiangsu Province, China, from 2003 to 2010.
  • The odds ratio (OR) for the association between regular tea drinking and liver cancer was 0.79 (95% CI: 0.63-0.99).
  • The OR for the association between current tea drinking and liver cancer was 0.51 (95% CI: 0.39-0.66).
  • The OR for the association between former tea drinking and liver cancer was 3.56 (95% CI: 2.42-5.23).

Sources:

  • NewsRx. Reports Summarize Hepatitis B Virus Findings from Kaiser Permanente Southern California (Tea Consumption and Liver Cancer: A Population-Based Case-Control Study in Eastern China). Vaccine Weekly. September 17, 2025; p 438.
  • Liu, X., Wu, M., Zhou, J., Jin, Z., Mu, L., He, N., ... & Zhang, Z. F. (2025). Tea Consumption and Liver Cancer: A Population-Based Case-Control Study in Eastern China. Nutrients, 17(16).

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