Niven /niv-en/ [2 sylls.] as a boys' name. Niven's root is Latin, and the name Niven means holy, sacred; little bone; servant of the saint's disciple. Niven is a variant transcription of Nevin (Latin).
The average life expectancy for someone with MS is 35 years after the symptoms begin. This represents a life expectancy of 95 percent of someone who does not have multiple sclerosis. Most people with the disease can function effectively; however, a rare form of acute MS can be fatal within weeks.
For people who develop paraplegia at age 40, the average life expectancy is 28 years. People at age 40 with no spinal cord injury have an average life. expectancy of 38 years. For people who develop paraplegia at age 60, the average life expectancy is 13. years.