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Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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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?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.