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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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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.