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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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People about to have surgery must tell their health care providers about all supplements they take.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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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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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.