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?
Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.
Did you know?
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
Evolution of Nervous Systems
The Sun powers on the living systems
Levels of Structural Organization & Body Systems
Substitution, Linear Systems
All human organ systems and their functions (Part 1)
