I have a sensitivity to the subject of memory and cognition because of the dementia on both sides of my family. This graphic is from the Morbidity and Mortality Weekly Report of the Centers for Disease Control and Prevention. There is a full write up with it. If you would like to read it, here is the link: MMWR.
As you can see some form of memory loss is widespread among adults over their mid-40’s. It seems clear to me that this is a subject worth talking about – with your loved ones – as well as healthcare providers.