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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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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

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There are more nerve cells in one human brain than there are stars in the Milky Way.

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