(CF) used to be considered a childhood disease, because people born with it rarely lived to reach adolescence. Now, with marked improvement in treatments—from physiotherapy and antibiotics that keep the lungs clear of mucus and microbes to enzyme supplements that aid digestion—many people with CF live into their thirties and beyond (Hopkin, 1998). CF was known as a very deadly disease. World wide about 50,000 children and young adults have . Of those, 30,000 Americans have it, 500 Americans die each year (Ansorge, 1994). CF is an inheri ....