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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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Vaccines prevent between 2.5 and 4 million deaths every year.
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Cyanide works by making the human body unable to use oxygen.
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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.