With more councils voting to remove fluoride from drinking water recently, it's worth revisiting exactly why was added in the first place. So what is fluoride, how does it work — and if you don't have ...

In 1901, a dentist from Massachusetts went to Colorado Springs, Colorado, to begin his practice. There, he encountered people who had dark brown stains on their teeth — but no sign of tooth decay. He ...

Florida is on track to become the second state to ban tap water fluoridation. The Legislature passed a bill that awaits the signature of Gov. Ron DeSantis, who has criticized public fluoridated water.

The discovery that fluoride can help people maintain healthy teeth dates back to Colorado Springs in the early 1900s. That’s when a young dentist named Frederick McKay noticed brown staining on the ...

Fluoride in drinking water, which protects against cavities and tooth loss, is been lauded by health officials as one of the greatest public health achievements of the 20th century. But a growing ...