Cystic fibrosis, which affects 30,000 American children and adults, is a multisystem disease caused by a defective gene. Presently only symptomatic management is possible, but there are very promising gene-therapy trials underway.The Cystic Fibrosis Foundation has 115 centers all over America and provides guidelines and advice. They support many studies to find gene therapy to cure cystic fibrosis. The target is to add normal genes to the cells of...