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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
The FDA recognizes 118 routes of administration.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
There are more nerve cells in one human brain than there are stars in the Milky Way.
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