There are 20 feet of blood vessels in each square inch of human skin.
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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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Illicit drug use costs the United States approximately $181 billion every year.
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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
The structure of T2 bacteriophage
Structure of a nucleosome
Types of changes in chromosome structure
The Structure of a Comet
The nucleotide structure of DNA.
Structure and function of the gills of a bony fish.