For what it's worth, these are good starting points if you do decide to research it further:
https://www.foundmyfitness.com/news/t/alzheimer's
https://www.reddit.com/r/Alzheimers/
https://www.sciencedaily.com/news/mi...zheimer's/
(CBD,
probiotics, ketogenic diets and plenty of practical advice you and your family can use...some as simple as calming her by creating a playlist of her favorite music, like you mentioned)