"A doctor's memoir about his father's experience of dementia, and an overview of the history of and latest findings on the disease"-- Provided by publisher. Almost six million Americans--about one in every ten people over the age of sixty-five--have Alzheimer's disease or related dementias, and this number is projected to more than double by 2050. What is it like to live with and amid this increasingly prevalent condition--an affliction that some...