My 92-year-old mother has some memory issues.
Age-related, but sometimes troublesome. My father, who is the same age, is OK, and deals with those issues pretty well, so they're able to continue living in the house on their citrus farm in California.
I call them every day, at the same time each afternoon. Yesterday, my mother was quite upset about what she was seeing on television when I called. She said that the people on the television were all talking at the same time and yelling at each other. I could hear the TV in the background. It was tuned to Fox News.
Both of my parents were on the phone. So, I suggested that they find some other channel to watch, since the programming was disturbing them. My mother said that she wanted to follow the news about the election. I suggested that they watch the evening news, both local and national, on one of the major broadcast networks. I reminded them that those stations limited the amount of discussing what was going on, due to time limitations, so they'd learn what was going on, but wouldn't have to listen to the acrimonious arguments that are the fare on cable news channels.
To my surprise, my father said that he thought that it was a good idea. He said that my mother was bothered by what she had been seeing and was finding it difficult to follow. He ended by saying they'd try that, and have some other channel on during the day...some channel with interesting programming that had nothing to do with politics.
My Dad is always concerned about my mother's state of mind, so I expect he's going to do just that.
Thank goodness!
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Best to you on your journey with aging parents. 
My parents watch Fox 24/7. We actually block all cable channels when they visit and tell them we don't get cable. So far it has worked!
You sound like a very caring child. It is so tough to deal with memory issues.
