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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.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.