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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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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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Medication errors are more common among seriously ill patients than with those with minor conditions.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.