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Did you know?
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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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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Medication errors are more common among seriously ill patients than with those with minor conditions.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.