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Vaccines prevent between 2.5 and 4 million deaths every year.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.