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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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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
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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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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.