The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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The FDA recognizes 118 routes of administration.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
Irish Elk Restoration by Charles R. Knight
Some of the fastest growing religions in America are non-Judeo-Christian religions. This photograph
John Muir
The United States in the Caribbean and Central America