Secretary Sebelius gave notice in the January 13, 2011 Federal Register (pages 2383-86) that 41% of all people in the U.S. who were 12 to 15 years old between 1999 and 2004 have dental fluorosis from ingesting too much fluoride, primarily from drinking fluoridated water and swallowing fluoridated toothpaste, both occurring before they were 9 years old.
There are many other harms caused by water fluoridation. For example, multiple credible scientific studies have found significant increases of hip fracture (and deaths from hip fracture) in people over 65 living in fluoridated areas. Also, many experts state that drinking fluoridated water in reconstituted formula or other drinks is particularly not safe and effective for infants less than one year old.
The alleged benefit of fluoridated