As someone who struggles with my breathing at rest for unknown reasons in the presence of mild COPD I have been on a lifelong search for help. I recently made the connection between my malady, OCD and the benefits of CBT.
This is a free series of YouTube videos by a CBT Therapist and author Katie D'Ath;
Like realy acid reflux or is it airway reflux yep and chronic dysfunctional breathing or chronic hyperventilation syndrone 
Eating and breathing 
Active breathing and bronchiectasis
Flute and breathing relaxation
