Inner peace is a purely physical phenomenon. Your soul is deep and unaffected by the tempests your ego tosses, but your body is not.
Without doubt, anxiety has its roots in attitudes that you hold, but lots of people have those same attitudes without also engaging in anxiety. So it's wise to focus first on the physical dimension.
Once you learn this simple technique to ratchet down the negative energy you're constantly spewing into your physical being, you will then be free to evaluate the spiritual and emotional bases for this behavior as you desire and at you leisure.

