A large, high-quality study published this week in Environmental Geochemical Health found that fluoride in drinking water can increase the risk of knee osteoarthritis (KOA), with older males with obesity more likely to have KOA.
Relatively low fluoride in drinking water increases risk of knee osteoarthritis
Related:
The maximum level of fluoride contamination in drinking water allowed in China is 1.0 mg/L. In the USA, it is 4.0 mg/L, while 0.7 mg/L is deliberately added to many water supplies as part of fluoridation programs.
Ms. Cat’s Chronicles 