The symptoms of dementia include:
Difficulty concentrating and planning things--like promising all kinds of law suits and not following through.
Memory loss and confusion--like not remembering meeting with the Russians.
Short attention span--like repeating the same stories over and over.
Lack of motivation--like saying he doesn't enjoy being President.
Depression--like sitting around in your bathrobe all day and eating McDonald's.
Personality, mood and behavioral changes--like sudden outbursts during press conferences that even your own spokesperson can't explain.
Delusions or hallucinations--like imagining that the size of a nuclear button means something.
Incontinence--Not sure on this one but he was SURE preoccupied with the idea that Hillary might be incontinent.
Muscle weakness, stiffness, or paralysis--look at the way he walks!
Slow and unsteady movements--look at the way he walks!
Trembling in arms and legs--Yup.
Sleeping difficulties--he says he only sleeps a few hours each night, but Wolff reports that he goes to bed at 6:30 pm.
Aggression and frustration--Trump's Tweets make it clear that he only knows how to respond to criticism with insults, not ideas.