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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).
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People about to have surgery must tell their health care providers about all supplements they take.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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There are 20 feet of blood vessels in each square inch of human skin.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.