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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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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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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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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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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.