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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.