11.   The disease takes at least two weeks to manifest itself, with a progressive loss of muscle coordination, a condition called ataxia.

12.   The condition is marked by a progressive loss of memory, dementia, and eventually death.

13.   The progressive loss of biodiversity has been well chronicled.

14.   With the chronic disorder, called syringomyelia, expanding holes develop in spinal cord nerve tissue near the injury, causing pain and progressive loss of sensation and movement.

15.   It is a rare form of the fatal disorder that causes progressive loss of voluntary muscles due to the destruction of nerve cells in the brain and spinal cord.

16.   MS is a crippling and sometimes fatal disease caused by the progressive loss of the myelin covering of nerve fibers in the brain and the spine.

17.   Leprosy is caused by a bacteria that attacks the skin and nerves and causes a progressive loss of sensation.