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Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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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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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.