I would say all of them change the flow of brain chemicals NEGATIVELY
The answer is 2/3 or roughly 67%.
Answer:
en general, no. No es una buena idea practicar porque puede lastimarse y las cosas pueden salir muy mal.
I think the best choice would be to think about the good feelings he has. The more he think about being stressed and sad, the more those feelings would increase and take up his whole emotions. Thinking of good feelings would surely help him lighten up the load he is feeling.