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People about to have surgery must tell their health care providers about all supplements they take.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
The human body produces and destroys 15 million blood cells every second.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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