Thomas DeBaggio, a writer and horticulturist, was even able to publish two insightful memoirs about his own early-onset Alzheimerâs before the disease killed him at the age of sixty-nine. But most patients are frightened or mortified by the knowledge of what is befalling them. Some continue to be severely terrified as they lose their intellectual competences and bearings and find themselves in a world increasingly fragmented and chaotic. But the majority, I think, become calmer with time as they perhaps start to lose the sense of what they have lost and find themselves shifted into a simpler, unreflective world.