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Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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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).
Did you know?
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.


