One of science's greatest advances proved to us that the neural pathway system in our brain can be changed, and that it changes because of action on our part. Cognitive-behavioral therapy has been shown to change the brain physiologically. One day everyone can brain scan this for themselves. Your brain is wired entirely different after an appropriate comprehensive cognitive-behavioral therapy program.
https://socialanxietyinstitute.org/blog/cognitive-behavioral-therapy-social-anxiety-makes-physical-changes-brain