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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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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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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.