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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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Effects of chronic fluorosis on thyroxine, triiodothyronine, and protein-bound iodine in cows

2005 | Fluoride | Cinar A, Selcuk M. | 38(1):65-68.
In this study, the serum levels of thyroxine (T4), triiodothyronine (T3), and protein-bound iodine (PBI) in the control cows were in the normal range of healthy cows, but they were significantly lower (p<0.05) in the fluorotic cows. These findings are consistent with the results of research with sheep, calves, cattle, and rats. . . . On the other hand, Choubisa reported that none of a group of fluorotic domestic animals exhibited any apparent evidence of hypothyroidism, stunted growt

Skeletal fluorosis and instant tea

January 2005 | The American Journal of Medicine | Whyte MP, Essmyer K, Gannon FH, Reinus WR. | 118(1):78-82.
Tea drinking remains popular in the United States and increasingly is suggested to promote health. We caution that skeletal fluorosis can result from consumption of excessive amounts of instant tea because of substantial fluoride levels in some commercial preparations. Case report A 52-year-old white woman consulted in 1998 for dense lumbar vertebras discovered after twisting her back. Spinal discomfort and stiffness for 5 years reflected “disc disease.” She had never had a fracture. Chest