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There are more nerve cells in one human brain than there are stars in the Milky Way.
The human body produces and destroys 15 million blood cells every second.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Cyanide works by making the human body unable to use oxygen.
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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