I know as a person with PCS, I am stressed out quite a bit. Recently, I have been much more mindful of my stress. In this video by Lissa Rankin, she states that the body cannot heal when in a state of stress. Only when the body is relaxed does it release healing things such as dopamine, endorphins, and oxytocin. She also states a nice breathing exercise. I encourage you to listen to this video. If you cannot tolerate very long, I would start at 19:25.

https://www.youtube.com/watch?v=gcai0i2tJt0&feature=kp


Best of luck on your recovery! Happy 4th!