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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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The familiar sounds of your heart are made by the heart's valves as they open and close.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.