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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
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Cyanide works by making the human body unable to use oxygen.
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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.