Recent developments in pain science involve the vagus nerve and the autonomic nervous system, the part of the nervous system that regulates automatic functions like breathing and heart rate. The autonomic nervous system consists of the sympathetic nervous system known as "fight or flight" which is a response to a THREAT and the parasympathetic nervous system known as "rest and digest" in response to SAFETY. There is another component of the parasympathetic nervous system k

You might have seen a competitive or recreational weightlifter at your gym or even on social media, and maybe you yourself are a...