{Reference Type}: Editorial {Title}: In Defense of Lady Windermere Syndrome. {Author}: Reich JM; {Journal}: Lung {Volume}: 196 {Issue}: 4 {Year}: 08 2018 {Factor}: 3.777 {DOI}: 10.1007/s00408-018-0122-x {Abstract}: Defense of Lady Windermere Syndrome (LWS) provides a critical analysis of its proposed pathogenesis, evidence supporting a causal role of volitional cough suppression, pathogenesis of M. avium complex (MAC) superimposition, a defense of the eponym, and cites a possible contribution of LWS to the bronchiectasis population.