Vaccines prevent between 2.5 and 4 million deaths every year.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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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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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.
Stem cells in mammalian development
U.S. Cancer Death Rates
Metastasis Cancer Order
Leading Sites of New Cases of Cancer in the United States, 2013