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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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There are 20 feet of blood vessels in each square inch of human skin.
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Excessive alcohol use costs the country approximately $235 billion every year.
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People about to have surgery must tell their health care providers about all supplements they take.