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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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One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.