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Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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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.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.