Ask unlimited questions for free
There are 20 feet of blood vessels in each square inch of human skin.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Illicit drug use costs the United States approximately $181 billion every year.
Medication errors are three times higher among children and infants than with adults.
For a complete list of videos, visit our video library