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Medication errors are three times higher among children and infants than with adults.

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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.

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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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Everyone has one nostril that is larger than the other.

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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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