
Anxiety functions like an addiction. It's not something that you can expect to ever go away completely, what you can do though is change your behavior and reframe the sensations you experience when you're anxious as your greatest superpower rather than your Achille's heel.
A great contributor to anxiety is poor lung capacity, below are two resources to help you out.
Free Lung Capacity Building Guide
6-Week Lung Capacity Program (currently 25% off)