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Did you know?
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.