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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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The average office desk has 400 times more bacteria on it than a toilet.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).