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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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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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The horizontal fraction bar was introduced by the Arabs.
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Medication errors are three times higher among children and infants than with adults.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.