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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.