What is cystic fibrosis?What are the main signs and symptoms of cystic fibrosis?How is cystic fibrosis diagnosed?What are some of the main medical treatments for cystic fibrosis?Have any supplements been studied for cystic fibrosis?How could diet affect cystic fibrosis?Are there any other treatments for cystic fibrosis?What causes cystic fibrosis?What is the link between pancreatic function and lung function in cystic fibrosis?Does the genetic cause of cystic fibrosis have any other impact?