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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.