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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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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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There are 20 feet of blood vessels in each square inch of human skin.