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This Weird Side Effect Nearly Torpedoed The Practice Of Anesthesia 

It's 1844, and surgeries are brutal, agonizing, and necessary slapdash. One man promises he can make it so patients feel no pain. He proves it with a patient who screams hysterically throughout a short procedure. Here's how a side effect of laughing gas nearly strangled anesthesiology in its cradle. »12/26/14 8:00am12/26/14 8:00am

The strictly non-medical history of laughing gas

People have always used laughing gas, or nitrous oxide, recreationally. Whether they're casual whippet users or have access to a steady supply of the medical-grade stuff, people have enjoyed the drug since its discovery over 200 years ago. In fact, there was a time when doctors would have been horrified at the idea of… »8/16/12 9:00am8/16/12 9:00am