Trepanning involved drilling a hole into the skull of the patient in order to release mental pressure or for other reasons. Cave paintings and other Neolithic evidence suggest that Trepanning was used an attempt to help people suffering from head injury, pull out spirits, mental disorders and skull pain.
Trepanning is a treatment which involved drilling the skull in order to treat patients with mental disorders or pull out spirits from body.
This procedure is really painful and patient can even die if the pain in not tolerable.
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