Vagus nerve stimulation is a neuromodulation treatment that changes the way our brain cells work. It involves surgery to implant a device, which then sends electrical pulses along the vagus nerve. Vagus nerve stimulation is currently used to treat three medical conditions: epilepsy, depression, and mobility issues arising from an ischemic stroke. However, vagus nerve stimulation is not the first port of call. Indeed, doctors only turn to it when the problem has evaded other treatments.
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