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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
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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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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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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.