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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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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.