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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.
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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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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.