The vagus nerve has quietly shaped how our bodies function for thousands of years. Recently, it has moved into the spotlight, especially in wellness culture, where manipulating it is often described as a way to calm the body, reset the nervous system or even treat a wide range of conditions.
As someone who researches the vagus nerve in clinical settings, I think it is important to explain what it actually does, what we know so far and where claims run ahead of the evidence.
