“…This change in lung condition is usually secondary to long-term exposure to pathogens such as tobacco smoke or other chemicals that damage lung tissue-this process then leads to frequent episodes of shortness of breath and poor oxygenation of tissues and organs. In certain circumstances, this can lead to an acute admission to hospital (Barnett, 2005;Kessler et al, 2011;Landers, Wiseman, Pitama, & Beckert, 2015). It is also the case that hospital admission rates increase as the disease worsens (Andersson, Svensson, & Gerhardsson de Verdier, 2006;Giacomini, DeJean, Simeonov, & Smith, 2012).…”