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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.