11.   Bruno emphasized that polio survivors need to know they are not lazy or crazy, and that PPS is a progressive neuromuscular disease.

12.   He has kept a busy schedule despite living with multiple sclerosis, a progressive disease of the nerve fibers of the brain and spinal cord.

13.   MS, a progressive disease of the central nervous system, strikes about one in every thousand people people a year.

14.   She has muscular dystrophy, a progressive disease that now makes walking difficult, her father says.

15.   The cause was a progressive neurological disease, a son, Dr. Richard Rosenburg, said.

16.   The cause was a progressive neurological disease, a son, Dr. Richard Rosenberg, said.

17.   The progressive disease will not get better.

18.   There was a poignant moment when Hawking, whose progressive neuromuscular disease has robbed him of almost all control over his own body, slumped slightly to the side.

19.   Those who are diagnosed with a late-onset progressive disease show abnormalities of the brain, but only a few active inflammatory lesions.

20.   Treating progressive neurological diseases is one of the most difficult challenges in medicine because it is so hard to measure how different treatments work.