Had to check, this is actually real, and not a shitpost
https://www.thedailybeast.com/trump-79-boasts-about-brain-as-he-goes-on-manic-posting-spree/
https://www.medpagetoday.com/neurology/generalneurology/118990
I read the second one and thought it was a good overview but upon clicking back it gave me a paywall so I grabbed another link in case it gives anyone trouble