Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Cyanide works by making the human body unable to use oxygen.
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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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Your heart beats over 36 million times a year.
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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.