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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Did you know?
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.