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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.
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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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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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.