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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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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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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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Illicit drug use costs the United States approximately $181 billion every year.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.