Breathing exercises and meditation. Walking, especially in nature. Giving myself something to distract from the anxiety that I enjoy and can focus on that isn't too overwhelming.

Look up Box Breathing method, do some grounding exercises, CBT (cognitive behavioral therapy) has helped a lot with the distorted thoughts, also try doing som research on the Vagus Nerve- specifically icing the vagus nerve

I love box breathing. For times when that’s too hard, taking a piece of ice and moving it around in your hands can really help for a few minutes.

Using a nursery rhyme with a slow pace to control my breathing to it has helped me a bit