Nitrate Intake and Bladder Cancer Risk
Author Information
Author(s): Maurice P. Zeegers, Roel F.M. Selen, Jos C.S. Kleinjans, R. Alexandra Goldbohm, Piet A. van den Brandt
Primary Institution: Department of Public Health and Epidemiology, University of Birmingham
Hypothesis
Does nitrate exposure from food or drinking water influence bladder cancer risk?
Conclusion
The study found no significant association between nitrate exposure and bladder cancer risk.
Supporting Evidence
- The study included 120,852 participants aged 55-69 years.
- 889 cases of bladder cancer were analyzed after 9.3 years of follow-up.
- Nitrate exposure from food and drinking water showed no significant increase in bladder cancer risk.
Takeaway
Eating vegetables and drinking water with nitrate doesn't seem to cause bladder cancer.
Methodology
The study evaluated nitrate exposure and bladder cancer risk in a cohort of 120,852 participants using food frequency questionnaires and water company data.
Potential Biases
Potential misclassification of exposure due to dietary assessment methods.
Limitations
The study could not control for bladder infections and relied on self-reported dietary data.
Participant Demographics
Participants were men and women aged 55-69 years at entry, with a higher proportion of men among bladder cancer cases.
Statistical Information
Confidence Interval
95% CI, 0.81–1.42
Digital Object Identifier (DOI)
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