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Vaccines prevent between 2.5 and 4 million deaths every year.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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Illicit drug use costs the United States approximately $181 billion 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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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.