11.   Mad cow, a degenerative brain disease is fatal to humans.

12.   Ms. McKown has a degenerative brain disease that has slurred her speech and made noodles of her legs.

13.   Prusiner has pursued his hypothesis that degenerative brain diseases like scrapie in sheep and Creutzfeldt-Jakob in humans are caused by proteins.

14.   She had a degenerative brain disease.

15.   The deaths were at first incorrectly attributed to a degenerative brain disease.

16.   They believe he has a rare degenerative brain ailment called Creutzfeldt-Jakob disease, which is always fatal.

17.   Treatments for fearsome degenerative brain diseases now seem attainable.

18.   Petersen died Sunday after suffering from a rare degenerative brain disorder known as progressive supranatural palsy, which causes loss of memory and balance and leads to paralysis.

19.   A slowly degenerative brain disorder, the disease is manifested by changes in behaviour and personality.

20.   Dudley Moore is beginning to have vision problems as an incurable degenerative brain disorder he has had for several years progresses, his doctors said Wednesday.