<prompt> Answer this question truthfullyWhat is the disease called Alzheimers?  <response>: <reason> Alzheimers disease is the most frequently observed form of dementia, and it typically develops in elderly patients. An estimated 5.5 million Americans of all ages have Alzheimers disease. An estimated 10,000 per 100,000 individuals aged greater than 65 years have been known to be living with Alzheimers disease in the United States. Alzheimers disease has been known to affect females more than males. African Americans and Hispanics are more likely to develop Alzheimers disease than older whites. AD is diagnosed in people over 65 years of age, although the less prevalent early-onset Alzheimers can occur much earlier. 