useful factoid When they say the person is too young for Alzheimers

Crushed

Dr Alzheimer's original patient was only 50 years old

  On November 3, 1906, a clinical psychiatrist and neuroanatomist, Alois Alzheimer, reported “A peculiar severe disease process of the cerebral cortex” to the 37th Meeting of South-West German Psychiatrists in Tubingen, He described a 50-year-old woman whom he had followed from her admission for paranoia, progressive sleep and memory disturbance, aggression, and confusion, until her death 5 years later. His report noted distinctive plaques and neurofibrillary tangles in the brain histology. It excited little interest despite an enthusiastic response from Kraepelin, who promptly included “Alzheimer's disease” in the 3ih edition of his text Psychiatrie in 1910
 

Hippius, Hanns, and Gabriele Neundörfer. “The discovery of Alzheimer's disease.” Dialogues in clinical neuroscience vol. 5,1 (2003): 101-8.

  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3181715/