It started in Grand Rapids, Michigan, in January 1945.First city on earth to fluoridate a public water supply, run as a fifteen-year study with a neighbouring town as the control. Most of the fluoride added to water since is not pharmaceutical grade. It is fluorosilicic acid, recovered from the smokestack scrubbers of phosphate fertilizer plants, where it would otherwise be a disposal problem.In 2001 Jennifer Luke published research finding fluoride concentrates in the calcified tissue of the pineal gland, at levels higher than in bone or teeth. That part is not disputed. What it means is still argued about.Ask better questions about what you drink.Specifications⧫ 100% brushed polyester, silky smooth⧫ Light fabric 5.16 oz/yd² (175 g/m²)⧫ All-over print, front and back · cut and sewn panel construction⧫ Shrink and fade resistant · size and care printed inside the collar⧫ Seam thread color automatically matched to design⧫ Assembled in the USA from globally sourced parts
