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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.