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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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People about to have surgery must tell their health care providers about all supplements they take.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.