“…39,40 Increased fear of dyspnea due to lower ACC functionality might further fuel this vicious circle and lead to even more fear and avoidance of physical activity, subsequent deconditioning, increased dyspnea, and greater reductions in health-related quality of life. 5,6 Addressing these disease-specific fears seems, therefore, highly important in the treatment of COPD. 5,6 In this regard, it would be interesting to examine whether the treatment of dyspnea and disease-specific fears can stop or even reverse GMV reductions in patients with COPD.…”