Published July 6, 2021 at 3:55 PM CDT
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When Laura Hely’s psychiatrist told her about a Washington University-based study related to depression, Hely didn’t hesitate to sign on to participate. After trying many medications and other treatment methods over the years to no avail, she was “desperate for anything that might help” her own condition.
And so several years ago, she agreed to spend an hour breathing in nitrous oxide, more commonly known as laughing gas, and then to be observed for another hour before heading home.