fluoride in water

^[1]^[2]

Reference interval

recommended level of fluoride in drinking water lowered from 0.7-1.2 mg/L to 0.7 mg/L

* at doses > 1.5 mg/L, fluoride exposure is associated with lower children's IQ scores^[2]

↑ HHS News Release. April 27, 2015 HHS issues final recommendation for community water fluoridation http://www.hhs.gov/news/press/2015pres/04/20150427a.html
FDA News Release. April 27, 2015 FDA Issues a Letter for Manufacturers with Recommendations on Fluoride Added to Bottled Water. Constituent Update. http://www.fda.gov/Food/NewsEvents/ConstituentUpdates/ucm444401.htm
Public Health Reports. March/April 2015 PHS Recommendation for Fluoride Concentration in Drinking Water. http://www.publichealthreports.org/fluorideguidelines.cfm
↑ ^{Jump up to: 2.0} ^2.1 Taylor KW, Eftim SE, Sibrizzi CA et al Fluoride Exposure and Children's IQ Scores: A Systematic Review and Meta-Analysis. JAMA Pediatr. 2025 Jan 6. PMID: https://www.ncbi.nlm.nih.gov/pubmed/39761023 https://jamanetwork.com/journals/jamapediatrics/fullarticle/2828425