|
|
There are 60,000 miles of blood vessels in every adult human.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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.