“…Other common manifestations of the failing body in COPD are weakness and fatigue, pain, insomnia, loss of appetite and difficulty with mobility (Elkington et al, 2005, Jones et al, 2004, Gullick & Stainton, 2008, Seamark et al, 2004. Fatigue is strongly linked to levels of breathlessness and depression and has major consequences for functional performance (Kapella et al, 2006).…”