11.   The disease eventually causes the bones to deform.

12.   The disease causes gastrointestinal dysfunctions.

13.   The disease causes a deterioration of breathing capacity.

14.   The disease causes a paralysis of the legs.

15.   The disease causes the immune system to weaken.

16.   Chronic idiopathic intestinal pseudoobstruction is usually caused by disease of the enteric nerves or smooth muscle.

17.   There are several ways in which coronary artery disease can cause sudden death.

18.   Although the disease may cause only a mild illness in healthy people, it can be severe and even fatal in older people.

19.   At first, the disease causes just forgetfulness, but this gives way to the loss of higher intellectual functioning.

20.   Because almost any disease can cause a fever, the list of possibilities is long and daunting.