There's no age limit for politicians − as people live longer, should that change?

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)

Nancy S. Jecker, University of Washington

(THE CONVERSATION) President Joe Biden was “fine,” according to White House Communications Director Ben LaBolt, after tripping over a sandbag at a U.S. Air Force graduation ceremony on June 1, 2023.

But his fall was caught on live camera – and people on social media speculated about what was behind it.

Biden, approaching his 81st birthday in November 2023, is the oldest serving U.S. president. He shares the distinction of old age with a growing number of politicians, including U.S. Sen. Dianne Feinstein, who, at age 90, is the oldest person in the Senate and has served as senator since 1992.

Some people – from fellow Democrats to The New York Times editorial board – have questioned whether Feinstein can fulfill the duties of her job, citing incidents in which she stumbled over words. Feinstein began reading prepared remarks during a Senate appropriations hearing vote on July 27, 2023, until her democratic colleague, Sen. Patty...