Hello all! I was wondering if anyone else experiences their anxiety similar to mine. I have been feeling pretty good(not so anxious) for the past couple of days and then today I wake up and was fine. After about an hour of being up I feel like I am having trouble breathing. By having trouble breathing, I mean that it feels as if I cannot take a deep breath. Should I just work on doing breathing exercises when this happens? My chest is really tight too. I do suffer from costochondritis and i have a feeling that the cold weather isn't helping. Any advice or feedback is greatly appreciated!