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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
![The mortality rate in the United States increases with age and is lower for women than men at every ...](https://biology-forums.com/gallery/47/medium_667187_21_02_17_6_13_00_256181578.jpeg)
![As the glass ceiling slowly cracks, women are gaining entry into the top positions of society. Shown ...](https://biology-forums.com/gallery/27/medium_660366_14_04_17_2_47_02_278362148.png)