"Laughing gas" may offer quick, long-lasting relief from depression

Laughing gas may be far more effective for some than antidepressants.

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  • Standard antidepressant medications don't work for many people who need them.
  • With ketamine showing potential as an antidepressant, researchers investigate another anesthetic: nitrous oxide, commonly called "laughing gas."
  • Researchers observe that just a light mixture of nitrous oxide for an hour alleviates depression symptoms for two weeks.
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