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Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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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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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).