The White House released a six page memo with the subject "President Biden's current health summary." It makes no mention of any cognitive or memory issues. That's not to say there are not any such issues, just that there is no mention of them in the memo.
Relatedly, from a recent New York Times Magazine interview with Marilynne Robinson: "You have to live to be 80 to find this out: Anybody under 50 feels they're in a position to condescend to you. You get boxed into this position where people who deal with you are making assumptions about your intellect. It's very disturbing. Most people my age are just fine. What can I say?"
