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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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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Everyone has one nostril that is larger than the other.

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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
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Illicit drug use costs the United States approximately $181 billion every year.

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