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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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In vitro inhibition of testosterone synthesis in the presence of fluoride ions

1983 | IRCS Medical Science | Kanwar KC, Vig PS, Kalla NR. | 11: 813-814.
A marked fall (p < 0.01) in the testosterone production was recorded at a fluoride concentration of 100 ppm and testosterone synthesis was maximally inhibited (p < 0.01) at 200 ppm. There was a noticeable, though marginal, inhibition in testosterone synthesis even at 10 ppm fluoride concentration. From 1 ppm to 200 ppm, the degree of inhibition of testosterone synthesis seems to be dependent on fluoride concentration.