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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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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The average office desk has 400 times more bacteria on it than a toilet.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.