weight loss maintenance.When asked about their current eat- ing and exercise habits we fmd, that registry participants report consuming a low-calorie, low-fat diet.
Cystic fibrosis is a genetic disorder that affects the respiratory and digestive systems. People with cystic fibrosis inherit a defective gene on chromosome 7 called CFTR (cystic fibrosis transmembrane conductance regulator).
The Effect of a Defective Gene on the Body. More in Cystic Fibrosis. Cystic fibrosis (CF) is a chronic, life-shortening disease that occurs as a result of a genetic defect. The defective gene affects the bodyâs ability to transfer water and salt to and from cells that produce sweat, mucus, and digestive enzymes.