Obesity is known to negatively affect the lung function. In some pulmonary disorders (COPD) obesity has been viewed in the past to offer a protective role in survival. Nevertheless, the prevalence of obesity has increased alarmingly in the past years changing epidemiology and significant body of research strongly suggests negative impact of obesity on the lung health. In addition obesity is a risk factor for many chronic diseases and will advance comorbidities for pulmonary disorders leading to worse outcomes. Current guidelines lack tailored approach to obese individuals with pulmonary disorders. Nevertheless, experts in the field believe that personalized management is needed for these individuals.