San Francisco Chronicle (subscription) | Alzheimer's dementia cases expected to increase in number San Francisco Chronicle (subscription) FILE - In this Nov. 9, 2014, file photo, Kathy Ridl, left, a Princeton, N.J., whose mother and grandmother died from Alzheimer's disease, Dotty Westgate, center, and a woman whose husband died from Alzheimer's disease, Peggy KempHenry, right, listen to ... |