Cystic fibrosis is a disease which affects the lungs, liver, kidneys and pancreas. It is caused by mutations in the genes. Sinus infections, clubbing of the fingers, fatty stool, etc. are some of the symptoms of cystic fibrosis. It is very important to diagnose this disorder at an early age to avoid further complications. Some of the diagnostic methods include sweat testing, newborn screening and genetic testing. This book presents researches and studies performed by experts across the globe. The extensive content of this book provides the readers with a thorough understanding of the disorder.