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Joe Biden鈥檚 ageing brain

How old is too old to be President of the United States? The science and politics of the campaign for the White House.

Democrat Joe Biden, 81, is America鈥檚 oldest president. His chief rival, Republican Donald Trump, is 77. Polls consistently show voters are more worried that Mr Biden lacks 鈥渕ental sharpness.鈥 Today, why President Biden鈥檚 age matters, with our Medical Editor, Fergus Walsh, and our Special Correspondent in Washington, Katty Kay.

The Global Story brings you trusted insights from 麻豆官网首页入口 experts around the world, with Katya Adler.

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Today鈥檚 episode of The Global Story was made by Neal Razzell and Emilia Jansson. The technical producers were Matt Dean and Tom Brignell. The assistant editor is Sergi Forcada Freixas and the senior news editor is Jonathan Aspinwall.

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32 minutes

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