Question

During the primitive time trepanning, or boring a hole in the skull was used to treat what?

Answer 1

To relieve pressure on the skull after an injury, but it could have also been used to give a trapped demon a hole to escape, or so it was believed.

Answer 2

to relieve pressure

Step-by-step explanation:

it is thought that this method of treatment was used to relieve pressure on the head because of head injury