|
Author Question: In 1861, ____________________ freed the serfs in Russia. Fill in the blank(s) with correct ... (Read 32 times) |
Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.
The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
The average office desk has 400 times more bacteria on it than a toilet.
In 1864, the first barbiturate (barbituric acid) was synthesized.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.