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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.