Ask unlimited questions for free
Medication errors are more common among seriously ill patients than with those with minor conditions.
There are more nerve cells in one human brain than there are stars in the Milky Way.
The average adult has about 21 square feet of skin.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
For a complete list of videos, visit our video library