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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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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.