Nitric oxide (NO) is a gaseous signalling molecule that is involved in the regulation of the cardiovascular, immune and nervous systems. In the CNS, NO is involved in many processes, including the ...

The vagus nerve and its function are most likely not discussed in daily conversation. However, the nerve is connected to everything from our chest to our stomach and can really impact our daily lives.

The device I’m using is called Pulsetto. It’s meant to stimulate the vagus nerve – a trend that has been taking off in wellness circles. Pulsetto boasts users such as longevity guy Bryan ...