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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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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

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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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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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