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?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Did you know?
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
The first step in field recovery involves surveying the site, sometimes with special equipment.