OLDONYOSAMBU, Tanzania (Reuters) — A fast color-changing test that detects fluoride in drinking water could help prevent the crippling bone disease of skeletal fluorosis in developing countries, say UK researchers. “Fluoride is often added to drinking water, and a little bit is beneficial. It can lead to reduced levels of tooth decay but too much fluoride in drinking water is actively harmful and can lead to a disease called skeletal fluorosis, a devastating, crippling condition […]