Definition: The word "Alzheimer's" comes from Greek, which means "memory loss." This term refers to a progressive disease characterized by memory loss. It can occur in both people who are young or older with different symptoms. Definition: Alzheimer's disease is caused by the loss of brain cells called neurons due to an abnormal breakdown of these cells' proteins. This leads to damage in parts of the brain, affecting memory and other cognitive abilities. Symptoms may include difficulty remembering recent events, trouble with learning new information (verbal or visual), difficulty finding one's way around, forgetting simple tasks like recognizing familiar faces, and decreased interest in activities that once brought pleasure. The disease can be life-altering, causing significant physical and emotional distress for the patient and their family members. In Bible times, it was a term used to describe individuals who were "blind" or "vision-impaired." It referred to those who were unable to see clearly and could not interpret words due to blindness, which is why they were labeled as "盲人" (Hebrew: Ḥabān ṣeẓār). The term was used in ancient Israel for a condition that affected the sight of the blind, possibly because it also applied to those who could not see well or read. This term dates back to the time when Israel had a significant population of blind people. It reflects the widespread blindness among the early Jewish community and the psychological stress of having no sense of sight.

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