How much of America drinks fluoridated water?

As of 1990, 53 percent of Americans drink fluoridated water.

Of these, 121 million drink artificially fluoridated water; 9 million drink water from naturally fluoridated sources.

Who wrote “O rose, thou art sick”? William Blake wrote "O rose, thou art sick" in "The Sick Rose" (1794).
What is the largest U.S. city in land area? It is not New York, Chicago, or Los Angeles. It is Juneau, Alaska, which covers 3,108 square miles. Los Angeles, in contrast, covers only 458.2 square miles.
How does a knockout punch knock someone out? A knockout punch causes a chain reaction in the victim's circulatory system. The supply of blood pools in the abdomen, reducing circulation to the brain, and resulting in loss of consciousness.
How many muscles does it take to smile and to frown? Smiling is easier on the face than frowning. It takes 17 muscles to smile and 43 to frown.
What is Newton’s law of gravity? Actually called Newton's law of gravitation, it describes the degree to which one body of matter attracts another. That attraction is in direct proportion to the product of the bodies' masses, and in…
Who said “The Child is father of the Man”? William Wordsworth said "The Child is father of the Man", in the poem "My Heart Leaps Up When I Behold" (1807).