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Vagus Nerve Stimulation Improves Severe Depression by 70%, Major US Trial Finds
(www.sciencealert.com)
this post was submitted on 04 Jul 2026
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I wonder then if other sorts of vagus nerve stimulation are effective. Because you can stimulate your vagus nerve with deep breathing, Valsalva maneuver, and lots of other things.
4:6 Deep breathing has been shown to increase heart rate variability, so I wouldn't be surprised to hear it had other positive effects as well.
That study does say none of the breathing techniques tested had an effect on mood though.