According to Wikipedia, Cystic Fibrosis is:
an autosomal recessive genetic disorder that affects most critically the lungs, and also the pancreas, liver, and intestine. It is characterized by abnormal transport of chloride and sodium across an epithelium, leading to thick, viscous secretions
What they’re trying to say there is that I can’t eat and I can’t breathe. It’s just as exciting as it sounds.