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).
Cystic fibrosis affects at least 30,000 people in the United States; between 900. and 1,000 new cases are diagnosed every year (1). One in 29 people of Cauca-. sian ancestry is an unaffected carrier of the CF gene mutation. In the United. States, cystic fibrosis occurs at a rate of 1 in 3,400 births. While it occurs in. persons of all racial and ethnic backgrounds, it is most common in Caucasians. of Northern European ancestry. Historically, half of affected individuals were. diagnosed by five months of age, though the average age at diagnosis was five.