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Related Experiment Videos

Bladder cancer and mate consumption in Argentina: a case-control study.

Michael N Bates1, Claudia Hopenhayn, Omar A Rey

  • 1School of Public Health, University of California, Berkeley, CA 94720-7360, USA. m_bates@berkeley.edu

Cancer Letters
|April 18, 2006
PubMed
Summary

Drinking mate con bombilla, a South American tea, 20 years ago was linked to increased bladder cancer risk in individuals who have ever smoked. Mate cocido consumption showed no association with bladder cancer.

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Area of Science:

  • Epidemiology
  • Oncology
  • Public Health

Background:

  • Mate, a beverage from Ilex paraguariensis, is popular in South America.
  • Previous research suggests a link between mate consumption and various cancers, including bladder cancer.
  • Understanding specific consumption patterns and their association with cancer risk is crucial for public health.

Purpose of the Study:

  • To investigate the association between mate consumption and bladder cancer risk.
  • To differentiate the risks associated with mate con bombilla versus mate cocido.
  • To examine the role of smoking status in the relationship between mate consumption and bladder cancer.

Main Methods:

  • A case-control study was conducted with 114 Argentinean case-control pairs.

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  • Mate consumption (mate con bombilla and mate cocido) was assessed for the time of interview, 20 years prior, and 40 years prior.
  • Statistical analysis, including odds ratios and confidence intervals, was used to determine associations, stratified by smoking status.

    • Main Results:

    • Mate con bombilla consumption 20 years prior to the interview was significantly associated with an increased risk of bladder cancer among ever-smokers (OR=3.77, 95% CI: 1.17-12.1).
    • No significant association was found between mate con bombilla consumption and bladder cancer in never-smokers.
    • Mate cocido consumption was not associated with bladder cancer risk in either smokers or never-smokers.

    Conclusions:

    • The findings suggest that mate con bombilla consumption, particularly when consumed 20 years ago, may increase bladder cancer risk in ever-smokers.
    • Mate cocido does not appear to pose a similar risk for bladder cancer.
    • These results align with previous epidemiological studies and highlight the importance of considering specific preparation methods and smoking habits in cancer risk assessment.