Greg O'Brien (left), with Colleen, Mary Catherine, Conor, and Brendan O'Brien, has been grappling with Alzheimer's disease for the last five years. Courtesy Greg O'Brien hide caption

itoggle caption Courtesy Greg O'Brien

When he was 59 years old, Greg O'Brien was diagnosed with early-onset Alzheimer's disease. Five years later, he is speaking publicly about his experience, even as his symptoms worsen. Courtesy of Greg O'Brien hide caption

itoggle caption Courtesy of Greg O'Brien

Joyce Powell, 80, attends an exercise class at UT-Arlington with her husband, Thomas (right). Powell says she feels more confident in getting around and traveling since taking the classes. Dane Walters/KERA hide caption

itoggle caption Dane Walters/KERA

Minnesota, Washington and Oregon topped the ranking, which looked at 26 variables, including affordability and whether patients could get good paid care at home. Alabama and Kentucky came in last. Fred Froese/iStockphoto hide caption

itoggle caption Fred Froese/iStockphoto