When tested in a school program, a liquid called silver diamine fluoride worked as well as dental sealants to protect against cavities.

New findings indicate a correlation between very high fluoride levels in Ethiopian well water and cognitive impairment among children.

Using fluoride in labs that are working with GMOs could be a simple, cheap way to fight antibiotic resistance, researchers say.

A little bit of fluoride protects the enamel on teeth. But too much can do just the opposite.