I used to have severe social anxiety, along with panic attacks occasionally. My anxiety was mostly in anticipation of certain events. And when the event would come, my anxiety would be so severe that I would go into depersonalization. This lead to thousands of misconceptions, and dellusional thinking. Which led to anti social type tendencies.

Meditation nipped the root of the problem. I'm able to see it as it arises within my mind, and allow it to pass. Anxiety still comes, but I notice it, where before I was it. The noticing puts you in control. With the simple understanding that where attention goes, nueral firing grows

So over time, with consistent practice, your brain will begin to structurally change in favor of the practice of letting go.