Editorial

It's hard to believe that summer is over and fall is here. This issue of the Journal contains the manuscripts of several authors who have been hard at work despite the lazy days of summer. Ross Arena and colleagues share some interesting data regarding the efficacy and safety of pulmonary rehabilitation in a cohort of women 70 years and older. As a group, this population is generally not well-studied, so his results have appealing clinical implications. Christine Wilson wrote a review article summarizing the literature regarding the efficacy of endurance exercise to decrease dyspnea in patients with COPD. The Research Corner was written by Gary Brooks on the topic of confidence intervals. …