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Did you know?
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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There are 20 feet of blood vessels in each square inch of human skin.
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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.
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There are more bacteria in your mouth than there are people in the world.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.