1. Alzheimer's Disease
A person with Alzheimer's disease will live an average of eight years and as many as twenty years or more from the onset of symptoms. ... It's not clear what specifically causes Alzheimer's, but age and family history are risk factors. ... It is more likely the combination of inter-related factors, including genetic factors, which are passed along family lines of inheritance, and environmental influences, which range from previous head trauma to educational level to one's experiences early in life. ...
- Word Count: 358
- Approx Pages: 1
- Grade Level: Undergraduate