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How Anesthesia Works

March 17, 201553 min
The use of general anesthesia is less than 200 years old. Before doctors were able to cause unconsciousness in patients, surgery was brutal for all involved. But despite this advancement in medicine, science still has no idea how it works.Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htmAnd to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices