They both have excellent medical care and screening. I would think the drugs given Biden to.pep him up will shorten his time on earth. The stress of lawfare etc can’t help President Trump. Great unknowns.
They worked for him in 2020.
When he started to campaign in 2019, he was still lucid.
Now he's barely functioning. He is not able to put words together in a complete sentence.
That was not the case in 2019-2020.