Chronic pain can be reduced by stimulating the vagus nerve in the ear with electrodes. In a microanatomic study, the human ear has now been analyzed on a micrometer scale. A computer model was created, allowing scientists to find optimal spots and optimal pulse shapes for electric stimulation. The results have now been successfully tested on patients.
from Health & Medicine News -- ScienceDaily https://www.sciencedaily.com/releases/2020/05/200526145302.htm
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