Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

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There are 20 feet of blood vessels in each square inch of human skin.

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