Is it a sign of Dementia that Biden insists on running when 80% of voters say he is too old?

Is it a sign of Dementia that Biden insists on running when 80% of voters say he is too old?

How can the Democrats steal another election when their candidate has such low support?

https://sputnikglobe.com/20240704/panicky-white-house-hits-post-debate-damage-control-button-as-80-of-voters-say-biden-too-old-1119238951.html