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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Cyanide works by making the human body unable to use oxygen.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.