Fluoride is added to drinking water across the U.S., but residents of some states are considerably more likely to be drinking fluoridated water than others, according to data from the U.S. Centers for Disease Control and Prevention (CDC) Fluoride in drinking water has recently become a talking point following Robert F.

The Centers for Disease Control call the addition of fluoride in water one of the biggest medical advances in the 20th century, noting that it led to healthier teeth.

Robert F. Kennedy Jr., who is expected to have a spot in the Trump administration, feels fluoride can lead to a slew of health problems.

Fluoride has long been considered an important health achievement, but it could be removed from water systems under the Trump administration. An estimated 75% of Americans drink fluoridated water daily.