Podcast:Stuff You Should Know Published On: Tue Aug 31 2021 Description: One of the oldest medical procedures in human history is also one of the riskiest. For thousands of years humans carried a type of proto brain surgery where a hole would be cut into the skull. And they were pretty good at it too. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.