Implantable vagus nerve stimulation devices have long been used to treat epilepsy, depression and stroke. A new crop of buzzy non-invasive VNS gadgets, like the one shown here from Truvaga ...

Pressing a $269 electrical device against the vagus nerve in your neck may be the secret to good vibes and stellar sleep. Implantable vagus nerve stimulation (VNS) devices, which can cost $50,000 ...

This added mechanism of action that enables stroke survivors to activate 30 minutes of vagus nerve stimulation by swiping the Vivistim Magnet across the implanted device helps extend the benefits ...