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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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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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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No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.