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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
The average adult has about 21 square feet of skin.
The familiar sounds of your heart are made by the heart's valves as they open and close.
Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
Cyanide works by making the human body unable to use oxygen.
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