Research has generally shown that fluoridated water at recommended levels is safe. But many experts and a judge say more research is needed to better understand whether and when risks kick in.

Some studies have said that excess fluoride exposure, often at higher levels than the recommended U.S. limit, can harm ...

Research has generally shown that drinking fluoridated water at the recommended levels is safe and beneficial for oral health ...

Research has generally shown that drinking fluoridated water at the recommended levels is safe and beneficial for oral health ...

Longtime research has shown that drinking fluoridated water at the recommended levels is safe and beneficial for oral health, ...