<prompt> Answer this question truthfullyCould you please provide me with the conext of this sentence so I can ensure accurate rephrasing?  <response>: <reason> Malnutrition and poor growth due to loss of pancreatic exocrine function leads to death in the first decade of life for most untreated patients. The most significant complications are seen in airways responsible for 80 of mortality and most common chronic pulmonary infection include P. aeruginosa, S. aureus and H. influenzae. In cystic fibrosis 98 of men are infertile due to aspermia. Lung complications are currently the primary causes of morbidity and are responsible for 80 of mortality in these patients and gastrointestinal complications include pancreatic insufficiency, pancreatitis, gastroesophageal reflux disease, distal intestinal obstuction syndrome, constipation and small intestinal bacterial overgrowth. In cystic fibrosis, obstructive lung disease and other lung complications are currently the primary causes of morbidity and are responsible for 80 of mortality. At present time survival probability of children is 40-50 years. Women with cystic fibrosis have a shortened life expectancy compared to men. 