Read More About Science: This article was originally published on mentalfloss.com as How Does Anesthesia Work?.

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If I shook you, you'd be up, right? But under anesthesia, I'm gonna pinch you and do a full operation and you're not up. So it's really further on the spectrum of unconsciousness. Narrator ...

Here's what to know about the possible side effects and complications of anesthesia — plus the risk factors for these effects. What does anesthesia do? Anesthesia makes you more comfortable ...