When his wife got Alzheimer's disease, lawyer Ken Chiate invested all his hopes in an unorthodox treatment. Nothing, it seems, could make him give up on it. ... Jeannette's difficulties seemed to emerge out of nowhere. She couldn't grasp the rules of a dice game. She kept asking questions her husband had just answered. ... in 2001, at age 58, she was diagnosed with mild cognitive impairment. As months and years passed, she fell into an angry haze that was determined to be Alzheimer's disease.