I don’t think he was there for heart problems or food poisoning but there are numerous reasons that could be tested by otherwise routine tests that can be done early if one has some kind of symptom
I'm 75 and my annual is boring.....Medicare and that's only about 15 minutes.
In fact the joke is that I had more thorough exms when we played doctor as children.
And so I don't even go...and IIRC, only about 18% of Medicare seniors go for this farcical physical.....called a wellcare visit.
I have a scale, do my BP at the pharmacy, go to an eye doctor annually and go to the doctor if I'm sick.