Americans did not commonly use forks until after the Civil War.
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Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
Half of all Americans over the age of 55 have no teeth.
39
If you're over 100 years old, there's an 80% chance you're a woman.
143
In a lifetime, an average person walks the equivalent of 5 equators
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Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
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