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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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People about to have surgery must tell their health care providers about all supplements they take.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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The horizontal fraction bar was introduced by the Arabs.