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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.