Some years ago, the Journal of the American Medical Association published an article by Dr. Paul Ruskin on the “Stages of Aging.” In the article, Dr. Ruskin described a case study he had presented to his students when teaching a class in medical school. He described the case study patient under his care like this:

“The patient neither speaks nor comprehends the spoken word. Sometimes she babbles incoherently for hours on end. She is disoriented about person, place, and time. She does, however, respond to her name… I have worked with her for the past six months, but she still shows complete disregard for her physical appearance and makes no effort to assist her own care. She must be fed, bathed, and clothed by others.

“Because she has no teeth, her food must be pureed. Her shirt is usuall…