Dental

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. […]

In a report on infant mortality and other health issues
in Stanislaus County, California, the Modesto Bee has
revealed that 11 per cent of children screened in the
area had cavities serious enough to impair their ability
to eat.
It also cited a report from the Children Now Oral Health Policy
Brief which found that 18 per cent of premature births […]