B. arthroclasia
Not really sure why this needs 20 characters but ok
Cystic fibrosis affects the cells that produce mucus, sweat, and digestive juices. It causes these fluids to become thick and sticky. They then plug up tubes, ducts, and passageways.
It is an inherited life-threatening disorder that damages the lungs and digestive system.
Setting a balance of how much you would be eating would be a way that you could prevent a disorder of eating. Setting limits to how much you would be eating, and also, with this in mind, having some stand, and self control would also be a way to prevent eating disorder.