Donald Trump's second term is already threatening what's lauded as one of the top public-health triumphs of the 20th century: adding fluoride, a mineral that helps prevent tooth decay, to drinking ...

The blow of late summer drought could have been lessened and perhaps avoided if the forests around those watersheds that provide drinking water had been kept intact, according to Casey Kulla, a state ...

Municipalities across the U.S. have been safely adding fluoride to their tap water for decades, and reams of data prove the mineral has worked wonders in strengthening enamel and preventing tooth ...