David Shenk is the author of "The Forgetting: Alzheimer's, Portrait of an Epidemic."
You submitted your questions about Alzheimer's disease. Read Shenk's answers below:
Question: I still don't understand the difference between dementia and Alzheimer's. Also, I have read that you should not argue with an Alzheimer's patient, but when my mother is confused, I feel that it sometimes seems to help when I "correct" her version of reality. Can I do anything to keep her grounded in reality?