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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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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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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.