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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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On average, the stomach produces 2 L of hydrochloric acid per day.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.