Alzheimer disease sourcebook : provides basic consumer health information about Alzheimer disease and other forms of dementia, including mild cognitive impairment, degenerative neurological disease, and vascular dementia such as Binswanger disease (subcortical vascular dementia), and multi-infarct dementia along with information about recent research on the diagnosis and prevention of Alzheimer disease and genetic testing, tips for maintaining cognitive functioning, strategies for long-term planning, advice for caregivers, a glossary of terms related to Alzheimer disease, and directories of resources for additional help and information