Water

All water contains fluoride naturally. In many places – Uttoxeter, Staffordshire, and Hartlepool in north-east England, for example – the natural level is already at the optimum of one part of fluoride per million parts water.
Studies show, where fluoride occurs at or near the optimum level, there is a significant reduction in tooth decay. […]

WASHINGTON — Lots of people lunged for bottled water after they were told last month that tap water in many U.S. cities contains traces of pharmaceuticals.
“They wanted five-gallon bottles, half-liter cases, anything that wasn’t municipal water,” said Jennifer Brandon, who was taking phone orders for home-delivered Deer Park water.
Responding to the public alarm, Sens. Barbara […]