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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
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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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The human body produces and destroys 15 million blood cells every second.