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Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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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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Vaccines prevent between 2.5 and 4 million deaths every year.