Health and Human Services Secretary Robert F. Kennedy Jr. continues to push for curbs on fluoride in drinking water.

The Make America Healthy Again movement’s new film “Toxic Nation” says ultraprocessed foods, seed oils, pesticides and fluoride are making us sick. Here’s what research shows.

Fluoride is found naturally in soil, water, and foods. It is added to water to help prevent tooth decay, but not everyone agrees with this. Find out more.