Jonathan Graff Radford, M.D., studies normal aging, mild cognitive impairment, cerebrovascular disease and neurodegenerative disorders. Specific disorders of interest include mild cognitive impairment, vascular cognitive impairment, Alzheimer's disease, Lewy body dementia, corticobasal syndrome, posterior cortical atrophy and frontotemporal dementia. In this interview, Dr. Radford talks to Paul Salfen about the Mayo Clinic Alzheimer's book, which