No. Can however help breathelessness b/c anxiety can increase minute ventilation.
No. Emphysema does not heal with less stress. However when you are in a lot of stress your cells tend to require more oxygen and thus increase in demand on the lungs to provide more oxygen.
No. No unfortunately not buy may help in coping better with this condition.
No. Decreasing stress can help people cope with a disease, and patients with emphysema may feel more short of breath if stressed, but the damage to the lungs from smoking is permanent. Smoking cessation will avoid further rapid damage.