Is There a Technique That Increases Your Sympathetic Nervous System?

There's some evidence that people with who test high on sociopathy don't actually am. If contagious, yawning is less common in people who are sociopaths. So if you guys are those of you an twitchat who are yawning with us, you are less likely to be a sociopath. And for those of you who are not yawning, you are more likely to bea sociopath.