Would it be offensive if I suggested my aunt talk to her doctor about her bad memory?

She does this all the time. She asks me the same question several times a day. For example, the day before yesterday I went to the pharmacy to get my meds. It turns out they weren't open. When I got home we had a conversation about it and that I didn't get my pills. She then asked me three times later that day if I got my pills. A couple of hours a part, but still. I had to responde the same way everytime and eventually started just saying "no" in an annoyed tone. She's 68, and im concerned she has dementia or something. She sees her doctor tomorrow, and i was gonna suggest she brings it up to him. Should i?

Would it be offensive if I suggested my aunt talk to her doctor about her bad memory?
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