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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Cyanide works by making the human body unable to use oxygen.
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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.