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.
There are four common types of dementia: Alzheimer's disease, vascular dementia, dementia with Lewy bodies (DLB) and frontotemporal dementia (FTD). How important genes are in these different dementias varies considerably. For example, the role of genes in FTD seems to be much greater than in vascular dementia.