Auricular vagus nerve stimulation enhances central serotonergic function and inhibits diabetic neuropathy development in Zucker fatty rats.
This study uses 30 minute daily sessions, not at all difficult to achieve. Granted this study is in animals, but this study also used 30 minute daily session in humans. Maybe time to try this myself! Mol Pain. 2018 Jan-Dec;14:1744806918787368.
