Men suffering from skeletal fluorosis experienced 50 to 80% improvement after drinking solutions containing 300 to 1,100 mg of borax/L daily, 3 weeks a month for 3 months (Zhou et al. 1987). Boron enhances sequestration of fluoride from bone and excretion through kidneys and possibly the intestinal tract (Elair et al. 1980a, 1981)"