Demons thought to cause abnormal behaviour could be released by trepanning.

Name: Demons thought to cause abnormal behaviour could be released by trepanning.
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Question

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Trepanning was a prehistoric surgical procedure that involved drilling a hole into the skull to alleviate pressure or for ritualistic purposes. Some cultures believed that such a procedure would release evil spirits or demons that were causing abnormal behavior in the individual. However, there is no scientific evidence to support this belief.

Demons Thought to Cause Abnormal Behaviour Could Be Released by Trepanning