The last few days I have had extreme discomfort in my mid back
The last few days I have had extreme discomfort in my mid back and chest and I feel like I am not getting enough air especially at rest , today at work when I was active I felt better. I smoke too muc...
Tips for a great answer:
- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.