Isn't that the point? People whose cognitive abilities were already slowly declining would likely look for another job that was less demanding.
Sorry if I am misunderstanding you.
The implication is that if you spent 30yrs as an ambulance driver, followed by 10 years working retail, the death certificate will say "ambulance driver."
The implication is that if you spent 30yrs as an ambulance driver, followed by 10 years working retail, the death certificate will say "ambulance driver."