Washington: Former US President Joe Biden has said he will limit public appearances to promote his upcoming memoir, citing the effects of his ongoing prostate cancer treatment.

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The 83-year-old Democrat shared the update on November 9 while announcing details of his book, titled ‘Promise Me, America’, which will cover his years in the White House.

"Some days are better than others. It hasn't stopped me. But sometimes it slows me down," Biden said in a social media post.

He added that his health would prevent him from taking part in as many promotional conversations as he had initially planned.
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"What that means is, unfortunately, I won't be able to do as many conversations about my book as I'd hoped," he said, adding that he hoped readers would find the words on the page sufficient.

Biden's office disclosed in May 2025 that he had been diagnosed with an aggressive form of prostate cancer that had spread to his bones. He subsequently underwent radiation treatment.

In his latest update, the former president said his doctors "continue to be encouraged" by his response to treatment.

The announcement comes as Biden prepares to release his memoir in November. The book will examine his presidency, including the challenges he faced, the decisions he made and his views on America's role in the world.

"I’m hopeful the words on the page speak for themselves," he said.

Biden has largely stayed out of the public spotlight since leaving the White House in January 2025. His post-presidency period has also been marked by renewed scrutiny of his health and fitness during his time in office.
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A 2025 book raised questions about his declining mental faculties during his presidency and alleged that aides sought to downplay the extent of his condition.

Biden also faced criticism from some Democrats over his decision to withdraw from the 2024 presidential race, with party members arguing that he stepped aside too late to give then-Vice President Kamala Harris sufficient time to mount a campaign against Donald Trump.