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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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Blood is approximately twice as thick as water because of the cells and other components found in it.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.