The vagus nerve is the body’s longest nerve which ... has developed a device called a Nurosym which clips onto the tragus, the chunk of cartilage in front of the ear canal.

“Trans auricular vagus nerve stimulation (taVNS) is one of the less invasive approaches to modulate brain function in neuropsychiatric and degenerative disorder.” Daniel Dautan posted on ...

The tragus piercing process usually takes about 30 to 45 minutes and costs about $40 to $120. Afterwards, you should clean it twice a day with a .9% sodium chloride saline solution. You may also ...