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Author Question: Jon observed his father break off a hunk of bread and share it with a friend at dinner. The next day ... (Read 3011 times) |
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.
To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.
There are approximately 3 million unintended pregnancies in the United States each year.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Blood is approximately twice as thick as water because of the cells and other components found in it.