USB extenders are generally able to support distances of up to 164 feet (50 m). The length depends on the length of Ethernet cable that you use. Ethernet cables can transfer data further distances than typical USB cables without having the data transfer deteriorate.
According to the Alzheimer's Society, the average life span for a patient with vascular dementia is around five years after symptoms begin manifesting. Oftentimes, the patient's death is caused by a stroke or heart attack. Continue Reading.
Duration and Treatment. With an average lifespan after onset of 5 to 7 years, the progress of Dementia with Lewy Bodies is relentless; however, the rate of decline varies with each person. DLB does not follow a pattern of stages as is seen in some other dementias. Death usually occurs from pneumonia or other illness.