Natalie is suffering form a disease called Cystic fibrosis. It is an genetic condition in which the lungs and the digestive system become clogged with sticky mucus. Symptoms usually starts in early childhood. The main symptoms include: Advice: Solution Natalie is suffering form a disease called Cystic fibrosis. It is an genetic condition in which the lungs and the digestive system become clogged with sticky mucus. Symptoms usually starts in early childhood. The main symptoms include: Advice:.