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?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.
Did you know?
No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
The greatest bone mass is found around age 30 for both men and women, with the later decline being f
BPA Article
The results from West and Crook's study of memory for telephone numbers