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Research Studies
Study Tracker

Study Tracker

The most up-to-date and comprehensive source for studies on fluoride's multifaceted effects on human and animal health, with 100+ years of research organized by health category, type of study, author, journal, and date.
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Fluoridation and mortality – an epidemiologic study of Pennsylvania Communities

January-February 1978 | Public Health Reports | Tokuhata GK, Digon E, Ramaswamy K. | 93(1):60-8.
The diabetes mortality rate was lower (37.0) for the fluoridated areas than for the unfluoridated (45.2); this difference was statistically significant (P<0.01). Thus, the adjusted mortality rates for all causes and for cerebrovascular diseases and diabetes mellitus all tended to be higher in the unfluoridated areas than in the fluoridated. ... A general pattern was observed in the mortality for all causes and for diabetes; that is, that the lower the level of fluoride, the higher the level