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Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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The horizontal fraction bar was introduced by the Arabs.
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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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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.