Eye cancer incidence in U.S. States and access to fluoridated water

Research output: Contribution to journalArticle

Abstract

Environmental risk factors for uveal melanomas (cancer of the iris, ciliary body, and choroid) have not been identified. To search for these, we examined the correlation of age-adjusted eye cancer incidence rates, a surrogate for uveal melanoma rates, in U.S. states with group level geographic and demographic factors using multivariate linear regression. Incidence rates for eye cancer were inversely correlated with the percentage of the population receiving fluoridated water; that is, higher rates were found in states with lower prevalences of fluoridation (P = 0.01). Fluoride is known to inhibit the growth of microbial agents that cause choroiditis and choroidal lesions in animals. We speculate that fluoridation protects against choroidal melanoma by inhibiting microbial agents that cause choroiditis and/or choroidal lesions in humans.

Original languageEnglish (US)
Pages (from-to)1707-1711
Number of pages5
JournalCancer Epidemiology Biomarkers and Prevention
Volume23
Issue number9
DOIs
StatePublished - Sep 1 2014

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Eye Neoplasms
Choroiditis
Fluoridation
Ciliary Body
Geography
Choroid
Water
Incidence
Iris
Fluorides
Linear Models
Melanoma
Demography
Growth
Population
Neoplasms
Uveal melanoma

ASJC Scopus subject areas

  • Epidemiology
  • Oncology

Cite this

Eye cancer incidence in U.S. States and access to fluoridated water. / Schwartz, Gary G.

In: Cancer Epidemiology Biomarkers and Prevention, Vol. 23, No. 9, 01.09.2014, p. 1707-1711.

Research output: Contribution to journalArticle

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