Drinking brick tea containing high fluoride increases the prevalence of osteoarthritis in Tibetan, China

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Drinking brick tea containing high fluoride increases the prevalence of osteoarthritis in Tibetan, China

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Meng X, Li H, Liu X, Li B, Liu Y, Li M, Sun D, Yang Y, Gao Y, Pei J - "Drinking brick tea containing high fluoride increases the prevalence of osteoarthritis in Tibetan, China" Int J Environ Health Res. 2024 Mar 6:1-11. doi: 10.1080/09603123.2024.2324936
https://www.tandfonline.com/doi/full/10 ... 24.2324936

Abstract

The prevalence of osteoarthritis (OA) in Tibetans is higher than that in Han, while Tibetans have a habit of drinking brick tea with high fluoride. A cross-sectional study was conducted to explore the association between fluoride exposure in drinking brick tea and OA. All subjects were divided into four groups by the quartiles (Q) of tea fluoride (TF) and urine fluoride (UF). ROC was plotted and OR were obtained using logistic regression model. The prevalence of OA in the Q3 and Q4 group of TF were 2.2 and 2.7 times higher than in the Q1 group, and the prevalence of OA in the Q2, Q3 and Q4 group of UF were 3.2, 3.5, and 4.1 times higher than in the Q1 group. ROC analysis showed the cutoff values were 4.523 mg/day (TF) and 1.666 mg/L (UF). In conclusion, excessive fluoride in drinking brick tea could be a risk factor for developing OA.
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