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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.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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.